/*====================
//  Ajax 2.0
//  Created By: Mike Luby (mike@vsocial.com)
//  This eliminates the need for JSBroadcaster
=====================*/
function Ajax(u) {
   this.RequestURL = u;
   this.QueryArray = new Object();
   this.xmlhttp = this.CreateRequest();
   this.UserHandler = null;
   this.RequestType = null;
   this.ReturnedData = null;
}
Ajax.prototype.CreateRequest = function() {
   var rHttp = false;
   try {
       rHttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
       try {
              rHttp = new ActiveXObject("Microsoft.XMLHTTP");
         } catch (E) {
              rHttp = false;
         }
    }
   if (!rHttp && typeof XMLHttpRequest != 'undefined') {
         rHttp = new XMLHttpRequest();
   }
   return rHttp;
}
Ajax.prototype.SetData = function( k, v ) {
   this.QueryArray[k] = escape(v);
}
Ajax.prototype.GetData = function() {
   var rVal = "";
   for( var p in this.QueryArray )  {
	   if (isArray(this.QueryArray[p])) {
	     for (i = 0; i < this.QueryArray[p].length; i++) {
	     	rVal += p + "[]=" + this.QueryArray[p][i] + "&";
	     }  
	   } else
	       rVal += p + "=" + this.QueryArray[p] + "&";
   }
   return rVal.substr(0, (rVal.length-1));
}
Ajax.prototype.SendRequest = function( ) {
   var type = "POST";
   for (var i = 0; i < arguments.length; i++) {
       type = arguments[i];
   }
   this.RequestType = type;
   try {
       if(this.UserHandler != null && this.UserHandler.onCreate) {
          this.UserHandler.onCreate();
       }
       switch( this.RequestType ) {
           case "GET":
               this.xmlhttp.open("GET", this.RequestURL + "?" + this.GetData(), true);
               this.xmlhttp.send(null);
           break;
           case "POST":
               this.xmlhttp.open("POST", this.RequestURL, true);
               this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
               this.xmlhttp.send(this.GetData());                   break;
       }
       var _this = this;
       this.xmlhttp.onreadystatechange = function() {
           if(_this.xmlhttp.readyState == 4){
               if(_this.xmlhttp.status == 200) {
                   _this.onDataRecieved( _this.xmlhttp.responseText );
               }
           }
       }
   } catch(e) {
       var Timar = window.setTimeout("100", "this.SendRequest('" + this.RequestType + "')");
   }
}
Ajax.prototype.onDataRecieved = function( str ) {
  // this.ReturnedData = str;
   if(this.UserHandler != null && this.UserHandler.onSuccess) {
      this.UserHandler.onSuccess( str );
   }
   this.ClearData();
}
Ajax.prototype.onError = function( str ) {
   if(this.UserHandler != null && this.UserHandler.onError) {
      this.UserHandler.onError( str );
   }
}
Ajax.prototype.Register = function(handler) {
       this.UserHandler = handler;
}
Ajax.prototype.ClearData = function() {
   this.QueryArray = new Object();
}
Ajax.prototype.SetFile = function(f) {
   this.RequestURL = f;
}

function isArray(obj) {
   if (obj.constructor.toString().indexOf("Array") == -1)
      return false;
   else
      return true;
}
;

/**
 * unFocus.Utilities.EventManager, version 1.0b (beta) (2005/12/16)
 * Copyright: 2005, Kevin Newman (http://www.unfocus.com/Projects/)
 * License: http://creativecommons.org/licenses/LGPL/2.1/
**/
// Package: unFocus.Utilities
// make sure faux-namespace is available before adding to it
if (!window.Utilities) Utilities = {};

/** Class: EventManager
 *	Provides the interface and functionality to a Subscriber/Subscriber Pattern.
 * 
 **/
/*
Constructor: EventManager
	The Constructor (Prototype) function.

Parameters:
	[type1 [, type2 [, etc.]]] - Optionally sets up an empty array for each named event.
*/
Utilities.EventManager = function() {
	this._listeners = {};
	for (var i = 0; i < arguments.length; i++) {
		this._listeners[arguments[i]] = [];
	}
};

Utilities.EventManager.prototype = {
	/*
	Method: addEventListener
		Adds an event listener to the specified type.

	Parameters:
		$name		- The event name.
		$listener	- The function to be called when the event fires.
	*/
	addEventListener: function($name, $listener) {
		// check that listener is not in list
		for (var i = 0; i < this._listeners[$name].length; i++)
			if (this._listeners[$name][i] == $listener) return;
		// add listener to appropriate list
		this._listeners[$name].push($listener);
	},
	/*
	Method: removeEventListener
		Removes an event listener.
	
	Parameters:
		$name		- The event name.
		$listener	- The function to be removed.
	*/
	removeEventListener: function($name, $listener) {
		// search for the listener method
		for (var i = 0; i < this._listeners[$name].length; i++) {
			if (this._listeners[$name][i] == $listener) {
				this._listeners.splice(i,1);
				return;
			}
		}
	},
	/* Method: notifyListeners
		Notifies the listeners of an event.
	
	Parameters:
		$name	- The name of event to fire.
		$data	- The object to pass to the subscribed method (the Event Object).
	*/
	notifyListeners: function($name, $data) {
		for (var i = 0; i < this._listeners[$name].length; i++)
			this._listeners[$name][i]($data);
	}
};

;

/*
unFocus.History, version 1.9.3 (alpha) (2007/02/13)
Copyright: 2005-2007, Kevin Newman (http://www.unfocus.com/Projects/HistoryKeeper/)
License: http://creativecommons.org/licenses/LGPL/2.1/
*/

/*
	Class: History
		A singleton with subscriber interface (<unFocus.Utilities.EventManager>) 
		that keeps a history and provides deep links for Flash and AJAX apps
*/
History = (function() {

// use a closure to avoid poluting the global scope, and to discourage reinstantiation (like a singleton)
function Keeper() {
	// bool: initialize - whether or not the class has been initialized
	var _this = this,
		// set the poll interval here.
		_pollInterval = 200, _intervalID,
		// get the initial Hash state
		_currentHash;

	/*
	method: _getHash
		A private method that gets the Hash from the location.hash property.
	 
	returns:
		a string containing the current hash from the url
	*/
	var _getHash = function() {
		return location.hash.substring(1);
	};
	// get initial hash
	_currentHash = _getHash();
	
	/*
	method: _setHash
		A private method that sets the Hash on the location string (the current url).
	*/
	var _setHash = function($newHash) {
		window.location.hash = $newHash;
	}
	
	/*
	method: _watchHash
		A private method that is called every n miliseconds (<_pollInterval>) to check if the hash has changed.
		This is the primary Hash change detection method for most browsers. It doesn't work to detect the hash
		change in IE 5.5+ or various other browsers. Workarounds like the iframe method are used for those 
		browsers (IE 5.0 will use an anchor creation hack).
	*/
	function _watchHash() {
		var $newHash = _getHash();
		if (_currentHash != $newHash) {
			_currentHash = $newHash;
			_this.notifyListeners("historyChange", $newHash);
		}
	}
	// set the interval
	if (setInterval) _intervalID = setInterval(_watchHash, _pollInterval);
	
	/* 
	Method: _createAnchor
		Various browsers may need an achor to be present in the dom for the hash to actually be set,
		so we add one every time a history entry is made. This has a side effect in many browsers, 
		where if the scroll position of the page is changed, in between history states, this causes
		most browsers to remember the position! It's a bonus.
	*/
	function _createAnchor($newHash) {
		if (!_checkAnchorExists($newHash)) {
			var $anchor = document.createElement("a");
			$anchor.setAttribute("name", $newHash);
			if (/MSIE/.test(navigator.userAgent) && !window.opera)
				$anchor = document.createElement('<a name="'+$newHash+'">'+$newHash+"</a>");
			with ($anchor.style) {
				position = "absolute";
				display = "block";
				top = getScrollY()+"px";
				left = getScrollX()+"px";
			}
			//$anchor.style.display = 'none';
			//$anchor.innerHTML = $newHash;
			document.body.insertBefore($anchor,document.body.firstChild);
			//document.body.appendChild($anchor);
		}
	}
	// simplified function contributed by Micah Goulart
	function _checkAnchorExists($name) {
		if (document.getElementsByName($name).length > 0)
			return true;
	}
	// Keeps IE 5.0 from scrolling to the top every time a new history is entered.
	// Also retains the scroll position in the history (doesn't seem to work on IE 5.5+).
	if (typeof self.pageYOffset == "number") {
		function getScrollY() {
			return self.pageYOffset;
		}
	} else if (document.documentElement && document.documentElement.scrollTop) {
		function getScrollY() {
			return document.documentElement.scrollTop;
		}
	} else if (document.body) {
		function getScrollY() {
			return document.body.scrollTop;
		}
	}
	// clone getScrollY to getScrollX
	eval(String(getScrollY).toString().replace(/Top/g,"Left").replace(/Y/g,"X"));
	
	/*
	method: getCurrentBookmark
		A public method to retrieve the current history string
	
	returns:
		The current History Hash
	*/
	_this.getCurrent = function() {
		return _currentHash;
	};
	
	/*
	method: addHistory
		A public method to add a new history, and set the deep link. This method should be given a string.
		It does no serialization.
	
	returns:
		Boolean - true if supported and set, false if not
	*/
	_this.addHistory = function($newHash) { // adds history and bookmark hash
		// on first call, make an anchor for the root history entry
		_createAnchor(_currentHash);
		// replace with slimmer versions...
		_this.addHistory = function($newHash) {
			if (_currentHash != $newHash) {
				_createAnchor($newHash);
				_currentHash = $newHash;
				_setHash($newHash);
				_this.notifyListeners("historyChange",$newHash);
			}
			return true;
		};
		// ...do first call
		return _this.addHistory($newHash);
	};

	/**
	 * These are the platform specific override methods. Since some platforms (IE 5.5+, Safari)
	 * require almost completely different techniques to create history entries, browser detection is
	 * used and the appropriate method is created. The bugs these fixes address are very tied to the
	 * specific implementations of these browsers, and not necessarily the underlying html engines.
	 * Sometimes, bugs related to history management can be tied even to a specific skin in browsers
	 * like Opera.
	 */
	// Safari 2.04 and less (and WebKit less than 420 - these hacks are not needed by the most recent nightlies)
	// :TODO: consider whether this aught to check for Safari or WebKit - is this a safar problem, or a does it
	// happen in other WebKit based software? OmniWeb (WebKit 420+) seems to work, though there's a sync issue.
	if (/WebKit\/\d+/.test(navigator.appVersion) && navigator.appVersion.match(/WebKit\/(\d+)/)[1] < 420) {
		// this will hold the old history states, since they can't be reliably taken from the location object
		var _unFocusHistoryLength = history.length,
			_historyStates = {}, _form,
			_recentlyAdded = false;
		
		// Setting the hash directly in Safari seems to cause odd content refresh behavior.
		// We'll use a form to submit to a #hash location instead. I'm assuming this works,
		// since I saw it done this way in SwfAddress (gotta give credit where credit it due ;-) ).
		function _createSafariSetHashForm() {
			_form = document.createElement("form");
			_form.id = "unFocusHistoryForm";
			_form.method = "get";
			document.body.insertBefore(_form,document.body.firstChild);
		}
		
		// override the old _setHash method to use the new form
		_setHash = function($newHash) {
			_historyStates[_unFocusHistoryLength] = $newHash;
			_form.action = "#" + _getHash();
			_form.submit();
		}
		
		// override the old _getHash method, since Safari doesn't update location.hash (fixed in nightlies)
		_getHash = function() {
			return _historyStates[_unFocusHistoryLength];
		};
		
		// set initial history entry
		_historyStates[_unFocusHistoryLength] = _currentHash;
		
		// provide alternative addHistory
		_this.addHistory = function($newHash) { // adds history and bookmark hash
			// on first call, make an anchor for the root history entry
			_createAnchor(_currentHash);
			// setup the form fix
			_createSafariSetHashForm();
			// replace with slimmer version...
			// :TODO: rethink this - it's adding an extra scope to the chain, which might
			// actually cost more at runtime than a simple if statement. Can this be done
			// without adding to the scope chain? The replaced scope holds no values. Does
			// it keep it's place in the scope chain?
			_this.addHistory = function($newHash) {
				if (_currentHash != $newHash) {
					_createAnchor($newHash);
					_currentHash = $newHash;
					_unFocusHistoryLength = history.length+1;
					_recentlyAdded = true;
					_setHash($newHash);
					_this.notifyListeners("historyChange",$newHash);
					_recentlyAdded = false;
				}
				return true;
			};
			// ...do first call
			return _this.addHistory($newHash);
		};
		function _watchHistoryLength() {
			if (!_recentlyAdded) {
				var _historyLength = history.length;
				if (_historyLength != _unFocusHistoryLength) {
					_unFocusHistoryLength = _historyLength;
					
					var $newHash = _getHash();
					if (_currentHash != $newHash) {
						_currentHash = $newHash;
						_this.notifyListeners("historyChange", $newHash);
					}
				}
			}
		};
		
		// since it doesn't work, might as well cancel the location.hash check
		clearInterval(_intervalID);
		// watch the history.length prop for changes instead
		_intervalID = setInterval(_watchHistoryLength, _pollInterval);
		
	// IE 5.5+ Windows
	} else if (typeof ActiveXObject != "undefined" && window.print && 
			   !window.opera && navigator.userAgent.match(/MSIE (\d\.\d)/)[1] >= 5.5) {
		/* iframe references */
		var _historyFrameObj, _historyFrameRef;
		
		/*
		method: _createHistoryFrame
			
			This is for IE only for now.
		*/
		function _createHistoryFrame() {
			var $historyFrameName = "unFocusHistoryFrame";
			_historyFrameObj = document.createElement("iframe");
			_historyFrameObj.setAttribute("name", $historyFrameName);
			_historyFrameObj.setAttribute("id", $historyFrameName);
			// :NOTE: _Very_ experimental
			_historyFrameObj.setAttribute("src", 'javascript:;');
			_historyFrameObj.style.position = "absolute";
			_historyFrameObj.style.top = "-900px";
			document.body.insertBefore(_historyFrameObj,document.body.firstChild);
			// get reference to the frame from frames array (needed for document.open)
			// :NOTE: there might be an issue with this according to quirksmode.org
			// http://www.quirksmode.org/js/iframe.html
			_historyFrameRef = frames[$historyFrameName];
			
			// add base history entry
			_createHistoryHTML(_currentHash, true);
		}
		
		/*
		method: _createHistoryHTML
			This is an alternative to <_setHistoryHTML> that is used by IE (and others if I can get it to work).
			This method will create the history page completely in memory, with no need to download a new file
			from the server.
		*/
		function _createHistoryHTML($newHash) {
			with (_historyFrameRef.document) {
				open("text/html");
				write("<html><head></head><body onl",
					'oad="parent.History._updateFromHistory(\''+$newHash+'\');">',
					$newHash+"</body></html>");
				close();
			}
		}
		
		/*
		method: _updateFromHistory
			A private method that is meant to be called only from HistoryFrame.html.
			It is not meant to be used by an end user even though it is accessable as public.
		*/
		_this._updateFromHistory = function() {
			// hides the first call to the method, and sets up the real method for the rest of the calls
			_this._updateFromHistory = function($hash) {
				_currentHash = $hash;
				_this.notifyListeners("historyChange", $hash);
			};
		};
		//if (navigator.userAgent.match(/MSIE (\d\.\d)/)[1] < 5.5) {
			_this.addHistory = function($newHash) {
				// do initialization stuff on first call
				_createHistoryFrame();
				
				// replace this function with a slimmer one on first call
				_this.addHistory = function($newHash) { // adds history and bookmark hash
					if (_currentHash != $newHash) {
						// IE will create an entry if there is an achor on the page, but it
						// does not allow you to detect the state change, so we skip inserting an Anchor
						_currentHash = $newHash;
						// sets hash and notifies listeners
						_createHistoryHTML($newHash);
					}
					return true;
				};
				// call the first call
				return _this.addHistory($newHash);
			};
			// anonymouse method - subscribe to self to update the hash when the history is updated
			_this.addEventListener("historyChange", function($hash) { _setHash($hash) });
		//} else { /* IE 5.0 */ }
	
	}
}
Keeper.prototype = new Utilities.EventManager("historyChange");

return new Keeper();

})();

;

function AjaxNavigation()
{
	this.params = new Object();
}

AjaxNavigation.params = new Object();

AjaxNavigation.clearParams = function()
{
	this.params = new Object();
}

AjaxNavigation.setParams = function( p, include_action)
{
	this.clearParams();
	
	for( var i in p )
		if ( include_action || i != "action" )
			this.params[i] = p[i];
}

AjaxNavigation.addParam = function(key,value)
{
	this.params[key] = value;
}

AjaxNavigation.getParam = function( key )
{
	return this.params[key] ? this.params[key] : false;
}

AjaxNavigation.extractInfo = function( href )
{
	bookmark = href.split( "#" );
	
	if ( bookmark.length < 2 )
		return false;
	
	return bookmark;
}

AjaxNavigation.updateAddress = function()
{
	str = AjaxNavigation.arrayToQuery( this.params );
	
	History.addHistory( str );
	HistoryQueue[ str ] = AjaxNavigation.callFunction;
	
	
	AjaxNavigation.callFunction = "";
}

AjaxNavigation.queryToArray = function( q, c_key, c_pair )
{
	c_key 	= c_key ? c_key : ':';
	c_pair 	= c_pair ? c_pair : ',';
	
	ret_array = new Object();
	
	pairs = q.split( c_pair );
	
	for( i = 0; i < pairs.length; i++ )
	{
		cur_pair = pairs[i].split( c_key );
		ret_array[cur_pair[0]] = cur_pair[1];
	}
	
	return ret_array;
}

AjaxNavigation.arrayToQuery = function( a, c_key, c_pair )
{
	c_key 	= c_key ? c_key : ':';
	c_pair 	= c_pair ? c_pair : ',';
	
	temp_array = new Array();

	for( i in a )
		temp_array.push( i + c_key + a[i] );
	
	return temp_array.join( c_pair );
}

AjaxNavigation.hasData = function( href )
{
	href = href ? href : document.location.href;
	
	return ( href.split( "#" ).length > 1 );
}

AjaxNavigation.getParamFromURL = function( k, href )
{
	href = href ? href : document.location.href;
	
	if ( AjaxNavigation.hasData( href ) )
	{
		a = AjaxNavigation.queryToArray( href.split('#')[1] );
		if ( a[k] )
			return a[k];
	}
	
	return false
}


HistoryQueue = new Object();

AjaxNavigation.historyChanged = function( hash )
{
	eval( HistoryQueue[hash] );	
}

History.addEventListener('historyChange', AjaxNavigation.historyChanged );
;

String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g, ''); };

function $(id)
{
	return document.getElementById( id ); 
}

function $N(name)
{
	return document.getElementsByName( name );
}

function vSocial()
{
}

vSocial.upload_showing = false;
vSocial.nsfw_showing = false;
vSocial.login_showing = false;
vSocial.background_hide = 0;
vSocial.called = false;
vSocial.video_block = false;
vSocial.newMessageWindowShowing = false;

vSocial.doAjax = function( url, params, handler, method )
{
	if ( method == undefined ) method = "get";
	
	new Ajax.Request(url, {
	  method: method,
	  parameters: params,
		
	  onSuccess: function( transport )
	  {
		  try
		  {
			  handler.onSuccess( transport.responseText );
		  } catch(e){}
	  }
  });
  
  try { handler.onCreate(); } catch(e){}
}

vSocial.leave_handler =
{
	onSuccess: function( data )
	{
		vsocial.loadUserpage('communities', Globals.visitor_id );
	}
}

vSocial.leaveCommunity = function( community_id )
{
	if ( !confirm( "Are you sure you wish to leave the community?" ) )
		return;
	
	vSocial.doAjax( "/index.php", { action: 128, community_id: community_id }, vSocial.leave_handler );
}

vSocial.friend_handler =
{
	onCreate: function()
	{
		$('friend_toggle').innerHTML = '<span class="saving">Saving...</span>';
	},
	
	onSuccess: function(data)
	{
		$('friend_toggle').innerHTML = data;
	}
}

vSocial.context_handler = {
	onCreate: function() {
		$('results').innerHTML = '<h1>Please wait...</h1>';
	},
	onSuccess: function(data) {
		$('results').innerHTML = data;
	}
}

vSocial.favorite_handler =
{
	onCreate: function()
	{
		$('favorite_toggle').innerHTML = '<span class="saving">Saving...</span>';
	},
	
	onSuccess: function(data)
	{
		$('favorite_toggle').innerHTML = data;
	}
}

vSocial.userpage_handler =
{
	onCreate: function()
	{
		$('home_left').innerHTML = '<div id="left_column"><h1>Please wait...</h1></div>';
	},
	
	onSuccess: function(data)
	{
		$('home_left').innerHTML = data;
	}	
}

vSocial.homepage_handler =
{
	onCreate: function()
	{
		$('home_left').innerHTML = '<div id="left_column"><h1>Please wait...</h1></div>';
	},
	
	onSuccess: function(data)
	{
		$('home_left').innerHTML = data;
		

		vsocial.recently_viewed();
	}	
}

vSocial.videoblock_handler =
{
	onCreate: function()
	{
		vSocial.video_block_loading = true;
		
		Effect.Opacity(vSocial.video_block, 40);
	},
	
	onSuccess: function(data)
	{
		Effect.Opacity(vSocial.video_block, 100);
		
		if (vSocial.video_block) $(vSocial.video_block).innerHTML = data;
		
		vSocial.video_block_loading = false;
	}
}

vSocial.recently_viewed_handler =
{
	onCreate: function()
	{
		
	},
	
	onSuccess: function(data) {
		$('staging_area').innerHTML = data;
		
		vSocial.recently_viewed_loader();
	}
}

vSocial.recently_viewed_loader = function() {
	img = $('staging_area').getElementsByTagName("img");
	
	not_loaded = false;
	
	for(i = 0; i < img.length; i++) {
		if (!DOM.ImageLoaded(img[i])) {
			not_loaded = true;
		}
	}

	if (!not_loaded) {
		$('recent').innerHTML = $('recent').innerHTML + $('staging_area').innerHTML;
		
		Effect.Scroll({id: 'recent', left: 400, time: 2});
		
		
		setTimeout(vsocial.recently_viewed, 5000);
	} else {
		setTimeout(vSocial.recently_viewed_loader, 200);
	}
}

vSocial.message_handler =
{
	onCreate: function()
	{
		$('private_messages').innerHTML = "<h1>Please wait...</h1>";
	},
	
	onSuccess: function(data)
	{
		$('private_messages').innerHTML = data;
	}
}

vSocial.comment_handler =
{
	onCreate: function()
	{
		$('video_comments').innerHTML = '<div id="left_column"><h1>Please wait...</h1></div>';
	},
	
	onSuccess: function(data)
	{
	
		$('video_comments').innerHTML = data;
		$('comment_input').disabled = false; 
		$('comment_submit').disabled = false; 
		
		$('comment_input').value = '';

		alert( "Your comment has been submitted" );
		
	}	
}

vSocial.tag_handler =
{
	onCreate: function()
	{
		if ( $('video_tags') )
			$('video_tags').innerHTML = '<div id="left_column"><h1>Please wait...</h1></div>';
		if ( $('video_tags_full') )
			$('video_tags_full').innerHTML = '<div id="left_column"><h1>Please wait...</h1></div>';
	},
	
	onSuccess: function(data)
	{
		if ( $('video_tags') )
			$('video_tags').innerHTML = data;
		if ( $('video_tags_full') )
			$('video_tags_full').innerHTML = data;

		if ( ( e = $('tag_input') ) )
		{
			e.disabled = false;
			e.value = '';
		}
		
		if ( ( e = $('tag_submit') ) )
			e.disabled = false;
	}	
}

vSocial.rate_handler =
{
	onCreate: function()
	{
	},
	
	onSuccess: function(data)
	{
		$('rating').innerHTML = data;
	}	
}
vSocial.adshare_handler = {
	onCreate: function() { },
	onSuccess: function( data ) {
		var rData = data.split("|");
		$( "adshare_display_" + rData[0] ).innerHTML = rData[1];
	}
}
vSocial.upload_handler =
{
	onCreate: function()
	{
	},
	
	onSuccess: function(data)
	{
		data = parseInt( data );

		var bar = $('upload_inner');
		
		if ( bar && data > 0 && data > bar.style.width.replace('%', '') )
		bar.style.width = data + "%";
		
		//bar = $('upload_outer');
		//bar.innerHTML = data;
		setTimeout( 'vsocial.uploadStatus(\'' + guid + '\');', 1000 );		
	}
}

vSocial.login_handler =
{
	onCreate: function()
	{
	},
	
	onSuccess: function( data )
	{
		data = parseInt( data );
		
		if ( data == 1 )
		{
			// Logged in, so refresh page
			//history.go();
			window.location.reload();
		}
		else
		{
			new Effect.Shake( $('lightbox_container') );
			
			$('login_message').innerHTML = "Invalid login";
			$('pass_overlay').value = "";
		}
	}		
}

vSocial.email_handler =
{
	onCreate: function() {},
	
	onSuccess: function( data )
	{ alert( "Your email(s) have been sent!" ); }		
}
vSocial.diggIt_handler = {
	onCreate: function() { 	},
	onSuccess: function( data ) {
		if (data == 'false') {
			$('diggIt').style.display = 'block';
		}
		else {
			$('diggIt').innerHTML = "<iframe onload=\"$('diggIt').style.display = 'block';\" id='diggItiframe' src='http://digg.com/api/diggthis.php?u=" + escape(data) + "' height='82' width='55' frameborder='0' scrolling='no'></iframe>";
		}
		
		
	}
}
vSocial.prototype.diggIt = function ( video_id ) {
	vSocial.doAjax( "/index.php", { action: 124, d: video_id }, vSocial.diggIt_handler );
}

vSocial.MakePrivate_handler =
{
	onCreate: function() {},
	onSuccess: function( data ) {
		if (data == 'false') {
			$('diggIt').style.display = 'block';
		}
		else {
			$('diggIt').innerHTML = "<iframe onload=\"$('diggIt').style.display = 'block';\" id='diggItiframe' src='http://digg.com/api/diggthis.php?u=" + escape(data) + "' height='82' width='55' frameborder='0' scrolling='no'></iframe>";
		}
		
		
	}
}
vSocial.prototype.MakePrivate = function( vid, action ) {
	vSocial.doAjax( "/index.php", { action: 123, v: vid, a: action }, vSocial.MakePrivate_handler );
}
vSocial.NetworkMessage_handler = 
{
	onCreate: function() {},
	onSuccess: function ( data )
	{
		$('NetMsg').style.display='none';
	}
}
vSocial.prototype.NetworkMessage = function ( user_id, network_message_id ) 
{
	vSocial.doAjax( "/index.php", { action: 122, u: user_id, n: network_message_id }, vSocial.NetworkMessage_handler );
}
vSocial.BlogPreview_handler = 
{
	onCreate: function() {},
	onSuccess: function ( data )
	{
		$('BlogPreview').innerHTML = data;
	}
}
vSocial.prototype.BlogPreview = function ( template, video_id, blog_id, title, post, tags )
{
	vSocial.doAjax( "/index.php", { action: 120, t: template, d: video_id, u: blog_id, p: post, c: tags, title: title }, vSocial.BlogPreview_handler );
}

vSocial.null_handler =
{
	onCreate: function() {},
	onSuccess: function() {}
}

vSocial.search_handler = {
	onCreate: function() {
		$('results').innerHTML = '<h1>Please wait...</h1>';
	},
	onSuccess: function(data) {
		$('results').innerHTML = data;
	}
}
vSocial.viewmore_handler = {
	onCreate: function() {
		$('friends').innerHTML = '<h1>Please wait...</h1>';
	},
	onSuccess: function(data) {
		$('friends').innerHTML = data;
	}
}
vSocial.validateForm = function( frm_name, use_asterisks )
{
    var invalid = 0;
	
	var form = frm_name;

    for ( var i = 0; i < form.length; i++ )
    {
        var cur_element = form.elements[i];
		
        // Text fields
        if ( cur_element.type == "text" || cur_element.type == "textarea" || cur_element.type == "password" || cur_element.tagName.toLowerCase() == "select" )
        {
            // Trim value
            cur_element.value = cur_element.value ? cur_element.value.trim() : "";

            if ( !cur_element.getAttribute( "optional" ) && ( ( cur_element.tagName.toLowerCase() == "select" && cur_element.value == 0 ) || (!cur_element.value || cur_element.value.length == 0 ) ) )
            {
                //alert( cur_element.error_message ? cur_element.error_message : "Field " + cur_element.name + " cannot be blank." );
				if ( use_asterisks )
					if ( !( cur_element.nextSibling && cur_element.nextSibling.nodeType == 1 && cur_element.nextSibling.className.indexOf( "__validation_element" ) != -1 ) )					
					{
						var span = document.createElement( "span" );
						span.innerHTML = "***";
						span.className = "__validation_element invalid";
						
						var ref = cur_element.nextSibling;
						
						if ( ref )
							cur_element.parentNode.insertBefore( span, ref );
						else
							cur_element.parentNode.appendChild( span );
					}
				
                cur_element.className = cur_element.className + " invalid";
                invalid++;
                continue;
            }
        }
		
		if ( cur_element.nextSibling && cur_element.nextSibling.nodeType == 1 && cur_element.nextSibling.className.indexOf( "__validation_element" ) != -1 )
			cur_element.parentNode.removeChild( cur_element.nextSibling );
		
		cur_element.className = cur_element.className.replace( /[ ]*invalid/gi, '' );
    }

    if ( invalid > 0 )
        alert( "Please complete the marked field" + ( invalid > 1 ? "s" : "" ) + " before continuing" );

    return invalid == 0;
}


vSocial.prototype.toggleFriend = function( user_id )
{
	vSocial.doAjax( "/user/index.php", { action: 200, user_id: user_id }, vSocial.friend_handler );
}

vSocial.prototype.toggleFavorite = function( video_id )
{
	vSocial.doAjax( "/video/index.php", { action: 102, video_id: video_id }, vSocial.favorite_handler );
}
vSocial.prototype.loadUserpage = function( which, user )
{
	vSocial.doAjax( "/index.php", { action: which == "pcomments" || which == "profile" || which == "communities" ? 112 : 102, s: which, d: user }, vSocial.userpage_handler );
}
vSocial.prototype.loadPendUserpage = function( which, user )
{
	vSocial.doAjax( "/index.php", { action: which == "pending" ? 112 : 102, s: which, d: user }, vSocial.userpage_handler );
}
vSocial.prototype.loadVideos = function( which, page, channel )
{
	// Close featured uploader div if its not 'hot' page
	if ( $('featured_uploader') ) {
		if ( which == "hot" ) {
			$('featured_uploader').style.display = 'block';
		} else
			$('featured_uploader').style.display = 'none';
	}
	
	var vars = {};
		
	// Set the parameters for the AJAX call
	vars.action = 102;
	vars.s = which;
	if ( page ) vars.page = page;
	if ( channel ) vars.d = channel;
	
	// Update the AJAX bookmarks
	AjaxNavigation.setParams( vars );
	AjaxNavigation.callFunction = "vsocial.loadVideos('"+which+"', '"+page+"', '"+channel+"')";
	AjaxNavigation.updateAddress();
	
	// Send the request
	vSocial.doAjax( "/index.php", vars, vSocial.homepage_handler );
}

vSocial.prototype.checkNewMessages = function()
{
	new Ajax.Request("/messages", {
	  method: "GET",
	  parameters: {action: 11},
		
	  onSuccess: function( transport )
		{
			eval("var obj = " + transport.responseText);
			
			if (obj.newMessages == true)
			{
				$('new_message').style.display = "inline";
				
				if ( obj.showWindow && obj.unreadMessageCount > 0 && obj.newMessageCount > 0 && obj.unreadMessageCount > obj.newMessageCount )
				{
					//$('message_overlay').style.display = "block";
					
					new Effect.Appear( $('message_overlay'), {queue: 'front'} );
					
					vSocial.newMessageWindowShowing = true;
					
					$('message_overlay_new_messages').innerHTML = obj.newMessageCount;
					$('message_overlay_unread_messages').innerHTML = obj.unreadMessageCount;
					
					$('message_overlay_subject').innerHTML = obj.message.subject;
					$('message_overlay_body').innerHTML = obj.message.body;
				}
			}
			else
			{
				$('new_message').style.display = "none";	
				$('message_overlay').style.display = "none";
			}
			
			setTimeout( vsocial.checkNewMessages, 5000 );
		}
	  });
}

vSocial.prototype.hideNewMessageWindow = function()
{
	new Ajax.Request( "/messages", {
			method: "GET",
			parameters: {action: 13}
	});
	
	//$('message_overlay').style.display = 'none';
	new Effect.Fade( $('message_overlay') );
	
	vSocial.newMessageWindowShowing = false;
}

vSocial.prototype.loadMessages = function( box, message_id )
{
	var vars = {};
	
	if (box == "compose")
		vars.action = 103;
	else if (box == "message")
		vars.action = 102;
	else
		vars.action = 101;
	
	if (!box) box = "inbox";
	
	vars.s = box
	if (message_id) vars.m = message_id;
	
	AjaxNavigation.setParams( vars );
	AjaxNavigation.callFunction = "vsocial.loadMessages('"+box+"', '"+message_id+"')";
	AjaxNavigation.updateAddress();
	
	
	vSocial.doAjax( "/messages", vars, vSocial.message_handler );
}

vSocial.prototype.moveMessages = function( messages, box )
{
	var message_array = new Array();
	var count = 0;
	var messages_str = "";
	
	for(i = 0; i < messages.length; i++) {
		if (messages[i].checked)
		{
			count++;
			messages_str += "messages[]=" + messages[i].value + "&";
		}
	}
	
	if (count == 0) return;
		
	vSocial.doAjax( "/messages?" + messages_str + "action=12&box=" + box,
					{},
					null
					);
					
	
	this.loadMessages(box);
}

vSocial.prototype.loadVideoBlock = function( which, page, channel )
{
	if (vSocial.video_block_loading) return;
	
	this.ajax.SetData( "action", 126 );
	this.ajax.SetData( "page", page );
	this.ajax.SetData( "s", which);
	if (channel) this.ajax.SetData( "d", channel );
	
	vSocial.video_block = which;
	
	this.ajax.Register( vSocial.videoblock_handler );
	this.ajax.SendRequest("GET");
}

vSocial.prototype.loadOtherVideos = function ( user_id, video_id, page )
{
	new Ajax.Request( "/video",
		{
			method: "GET",
			parameters: {
				action: 115,
				v: video_id,
				d: user_id,
				page: page
			},
			
			onSuccess: function( transport )
			{
				$('other_videos').innerHTML = transport.responseText;
			},
			
			onCreate: function()
			{
				$('other_videos').innerHTML = "loading...";	
			}
		}
	);
}

vSocial.prototype.recently_viewed = function()
{
	if (!$('recent')) return;
	
	this.recent_ajax = new Ajax("/widgets/json.php");
	
	this.recent_ajax.SetData( "action", 300 );
	this.recent_ajax.SetData( "page", 0 );
	this.recent_ajax.SetData( "s", "recent" );
	
	var channel = AjaxNavigation.getParam("d");
	
	if (channel) this.recent_ajax.SetData( "d", channel );
	
	this.recent_ajax.Register( vSocial.recently_viewed_handler );
	this.recent_ajax.SendRequest("GET");
}

vSocial.prototype.addComment = function( comment, meta_id, type, track )
{
	if ( !comment )
	{
		alert( "Please enter a comment to add." );
		return false;
	}
	
	$('comment_input').disabled = true; $('comment_submit').disabled = true; 
	vSocial.doAjax( "/video/index.php", 
					{ 
						m: comment, 
						d: meta_id, 
						type: type, 
						track: track, 
						action: 105 
					}, 
					vSocial.comment_handler, 
					"POST");
}
vSocial.prototype.addPhotoComment = function( comment, meta_id, type, track )
{
	$('comment_input').disabled = true; $('comment_submit').disabled = true; 
	
	vSocial.doAjax( "/comments/?action=add", 
					{ 
						m: comment, 
						d: meta_id, 
						type: "image", 
						track: track
					}, 
					vSocial.comment_handler, 
					"POST");
}

vSocial.prototype.addTag = function( comment, meta_id, type )
{
	if ( !comment )
	{
		alert( "Please enter the tag to add." );
		return false;
	}
	
	if ( ( e = $('tag_input') ) )
		e.disabled = true;
	
	if ( ( e = $('tag_submit') ) )
		e.disabled = true;
	
	vSocial.doAjax( "/video/index.php",
					{
						action: 106,
						m: comment,
						d: meta_id
					},
					vSocial.tag_handler,
					"POST");
}

vSocial.prototype.deleteComment = function( comment_id )
{
	// Hide the comment instantly
	$('comment_' + comment_id).style.display = 'none';

	// Do the delete
	vSocial.doAjax( "/video/index.php",
					{
						action: 114,
						id: comment_id
					},
					vSocial.null_handler );
}
vSocial.prototype.approveComment = function( comment_id )
{
	// Hide the comment instantly
	$('comment_' + comment_id).style.display = 'none';

	// Do the delete
	vSocial.doAjax( "/video/index.php",
					{
						action: 127,
						id: comment_id
					},
					vSocial.null_handler);
}
vSocial.prototype.deleteCommentTracking = function ( tracking_id, type, meta_id)
{
	//Hide the anchor
	$('comment_tracking').style.display = 'none';
	
	//Do the ajax
	vSocial.doAjax( "/video/index.php",
					{
						action: 125,
						id: tracking_id,
						type: type,
						meta_id: meta_id
					},
					vSocial.null_handler,
					"POST"
					);
}
vSocial.prototype.deleteVCommentTracking = function ( comment_id )
{
	//Hide the anchor
	$('delt').style.display = 'none';
	
	//Do the ajax
	vSocial.doAjax( "/video/index.php",
					{
						action: 128,
						id: comment_id
			
					},
					vSocial.null_handler);
}

vSocial.prototype.nsfwEnable = function()
{
	vSocial.doAjax( "/index.php", { action:115 } );
}

vSocial.prototype.sendEmail = function( meta_id, type, addresses )
{
	vSocial.doAjax( "/video/index.php", { action: 117, id: meta_id, email: addresses, meta_type: type }, vSocial.email_handler );
}



vSocial.emailToggle = function()
{
	var obj = document.createElement( "div" );
	obj.innerHTML = $("email_box").innerHTML;
	
	Lightbox.show({content: obj});
	
	vSocial.email_showing = true;
	$('addresses').focus();
}

vSocial.blogItToggle = function()
{
	var obj = document.createElement( "div" );
	obj.innerHTML = $("blogit_box").innerHTML;
	
	Lightbox.show({content: obj});
	
	vSocial.email_showing = true;
	$('addresses').focus();
}

vSocial.loginToggle = function()
{
	showLogin();
}

vSocial.uploadToggle = function()
{
	if (!vSocial.upload_showing)
	{
		if ( vSocial.background_hide == 0 )
		{
			vSocial.toggleSelects(false);

			page_size = getPageSize();
			$('fade_div').style.height = page_size ? page_size[1] + "px" : "100%";
			$('fade_div').style.display = 'block';
		}

		if ( vSocial.background_hide < 75 )
		{
			vSocial.background_hide += 15;
			$('fade_div').style.MozOpacity = "0." + vSocial.background_hide;
			$('fade_div').style.opacity 	= "0." + vSocial.background_hide;
			$('fade_div').style.filter		= "alpha(opacity=" + vSocial.background_hide + ")";
			window.setTimeout( "vSocial.uploadToggle()", 10 );
		}
		else
		{
			vSocial.upload_showing = true;
			$('upload_status').style.display = 'block';
			$('upload_status').style.zIndex = 9999;
		}
	}
	else
	{
		$('upload_status').style.display = 'none';
		if ( vSocial.background_hide > 0 )
		{
			vSocial.background_hide -= 15;
			if ( vSocial.background_hide < 0 )
				vSocial.background_hide = 0;
			
			$("fade_div").style.MozOpacity = "0." + vSocial.background_hide;
			$("fade_div").style.opacity = "0." + vSocial.background_hide;
			$("fade_div").style.filter = "alpha(opacity=" + vSocial.background_hide + ")";
			window.setTimeout("vSocial.uploadToggle()", 10);
		}
		else
		{
			vSocial.upload_showing = false;
			$('fade_div').style.display = 'none';
			vSocial.toggleSelects( true );
		}
    }
}

vSocial.nsfwToggle = function()
{
	var flash_player = $('flash_player');

	if (!vSocial.nsfw_showing)
	{
		if ( flash_player )
			flash_player.style.height = '0px';
		
		if ( vSocial.background_hide == 0 )
		{
			page_size = getPageSize();
			$('fade_div').style.height = page_size ? page_size[1] + "px" : "100%";
			$('fade_div').style.display = 'block';
		}

		if ( vSocial.background_hide < 99 )
		{
			vSocial.background_hide += 20;
			if ( vSocial.background_hide >= 100 )
				vSocial.background_hide = 99;
			
			$('fade_div').style.MozOpacity = "0." + vSocial.background_hide;
			$('fade_div').style.opacity 	= "0." + vSocial.background_hide;
			$('fade_div').style.filter		= "alpha(opacity=" + vSocial.background_hide + ")";
			window.setTimeout( "vSocial.nsfwToggle()", 10 );
		}
		else
		{
			vSocial.nsfw_showing = true;
			$('nsfw_box').style.display = 'block';
			$('nsfw_box').style.zIndex = 9999;
		}
	}
	else
	{
		$('nsfw_box').style.display = 'none';
		if ( vSocial.background_hide > 0 )
		{
			vSocial.background_hide -= 20;
			$("fade_div").style.MozOpacity = "0." + vSocial.background_hide;
			$("fade_div").style.opacity = "0." + vSocial.background_hide;
			$("fade_div").style.filter = "alpha(opacity=" + vSocial.background_hide + ")";
			window.setTimeout("vSocial.nsfwToggle()", 10);
		}
		else
		{
			vSocial.nsfw_showing = false;
			$('fade_div').style.display = 'none';

			if ( flash_player )
				flash_player.style.height = '400px';
		}
    }
}


vSocial.toggleSelects = function( on )
{
	var selects = document.getElementsByTagName( "select" );
	
	for( var i = 0; i < selects.length; i++ )
		selects[i].style.display = on ? 'block' : 'none';
}


vSocial.profileNav = function( tab )
{
	try {
		$('link_share').className 	= ( tab == 0 ) ? 'active' : '';
		//('link_details').className = ( tab == 1 ) ? 'active' : '';
		$('link_tags').className 	= ( tab == 2 ) ? 'active' : '';
		$('link_admin').className 	= ( tab == 3 ) ? 'active' : '';
	} catch(e) {}

	try {
		$('tab_share').style.display 	= ( tab == 0 ) ? 'block' : 'none';
		//$('tab_details').style.display 	= ( tab == 1 ) ? 'block' : 'none';
		$('tab_tags').style.display 	= ( tab == 2 ) ? 'block' : 'none';
		$('tab_admin').style.display 	= ( tab == 3 ) ? 'block' : 'none';
	} catch(e) {}
}

vSocial.updateMyRating = function(rating)
{
	for( var i = 0; i < 5; i++ )
		$('rate_' + (i+1) ).src = '/images/star_' + ((i < rating) ? 'blue' : 'white') + '.jpg';
}

vSocial.prototype.authenticateUser = function( username, password )
{
	vSocial.doAjax( "/index.php", { action: 113, User: username, Pass: password }, vSocial.login_handler, "POST" );
}

vSocial.prototype.rateVideo = function( rating, video_id )
{
	vSocial.doAjax( "/video", { action: 110, s: rating, m: video_id }, vSocial.rate_handler );
}

vSocial.prototype.ratePhoto = function( rating, image_id )
{
	vSocial.doAjax( "/photos/rate", { s: rating, m: image_id }, vSocial.rate_handler );
}

vSocial.prototype.ajaxPhotos = function( type, page, image_id )
{
	var func = new Function( "data", "$(\""+type+"_images\").innerHTML = data;" );
	
	vSocial.doAjax( "/photos/small-photo-list", { type: type, page: page, image_id: image_id }, { onSuccess: func } );	
}

vSocial.prototype.loadVideoPage = function( what, sort, type, page ) {
	
	new Ajax.Request('/video/index.php', {
		  method: 'get',
		  parameters: { 
				action: 101,
				s: what,
				sort: sort,
				type: type,
				page: page
			},
			
		  onSuccess: function( transport )
		  {
			$('results').innerHTML = transport.responseText;  
		  }
	  });
	
	
	
	AjaxNavigation.setParams( { s: what, type: type, sort: sort, p: page } );
	AjaxNavigation.callFunction = "vsocial.loadVideoPage('"+what+"', '"+sort+"', '"+type+"', '"+page+"')";
	AjaxNavigation.updateAddress();
	
	$('results').innerHTML = "<h1>Loading...</h1>";
	
	vSocial.scrollUp();
}

vSocial.prototype.loadUserPage = function( what, sort, type, page ) {
	
	new Ajax.Request('/user/index.php', {
		  method: 'get',
		  parameters: { 
				action: 101,
				s: what,
				sort: sort,
				type: type,
				page: page
			},
			
		  onSuccess: function( transport )
		  {
			$('results').innerHTML = transport.responseText;  
		  }
	  });
	
	AjaxNavigation.setParams( { s: what, type: type, sort: sort, p: page } );
	AjaxNavigation.callFunction = "vsocial.loadUserPage('"+what+"', '"+sort+"', '"+type+"', '"+page+"')";
	AjaxNavigation.updateAddress();
	
	$('results').innerHTML = "<h1>Loading...</h1>";
	
	vSocial.scrollUp();
}

vSocial.prototype.loadCommunitiesPage = function( what, sort, type, page ) {
	var query = { action: 101, s: what, sort: sort, page: page, type: type }
	
	AjaxNavigation.setParams( query );
	AjaxNavigation.updateAddress();
	
	vSocial.doAjax( "/communities", query, vSocial.search_handler );
	
	vSocial.scrollUp();
}

vSocial.prototype.loadPhotosPage = function( what, sort, type, page ) {
	var query = { ajax: true, s: what, sort: sort, page: page, type: type }
	
	AjaxNavigation.setParams( query );
	AjaxNavigation.updateAddress();
	
	vSocial.doAjax( "/photos/list", query, vSocial.search_handler );
	
	vSocial.scrollUp();
}

vSocial.prototype.loadSearchpage = function ( what, type, page ) 
{
	new Ajax.Request('/search/index.php', {
		  method: 'get',
		  parameters: { 
				action: 2,
				s: what,
				type: type,
				p: page
			},
			
		  onSuccess: function( transport )
		  {
			$('results').innerHTML = transport.responseText;  
		  }
	  });
	
	AjaxNavigation.setParams( { s: what, type: type, p: page } );
	AjaxNavigation.callFunction = "vsocial.loadSearchpage('"+what+"', '"+type+"', '"+page+"')";
	AjaxNavigation.updateAddress();
	
	$('results').innerHTML = "<h1>Loading...</h1>";
	  
	vSocial.scrollUp();
}

vSocial.prototype.uploadStatus = function( uid )
{
	guid = uid;


	vSocial.doAjax("/upload/", { uid: uid, action: 'status' }, vSocial.upload_handler );
}

vSocial.swapImg = function( img, on )
{
	if ( on )
		img.src = img.src.replace( "_off", "_on" );
	else
		img.src = img.src.replace( "_on", "_off" );
}

var lastScrollPosition = 0;

vSocial.scrollUp = function() 
{
	if ( (scroller = document.getElementsByTagName('html')[0]) ) 
		scroller.scrollTop = 0;
} 

// from lightbox.js
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}









vSocial.prototype.toggleBox = function( obj, id )
{
	//new Effect.toggle( $(id), 'slide' );
	new Effect.toggle( $(id), 'appear' );
	
	if ( obj.parentNode.className.indexOf( "up" ) == -1 )
		obj.parentNode.className = "title up";
	else
		obj.parentNode.className = "title";
}

vSocial.prototype.checkProfileForm = function( _form_ )
{
	var onlyNumbersRegex = /\D/g;

	_form_.mobile_number.value = _form_.mobile_number.value.replace( onlyNumbersRegex, "" );

	if ( _form_.mobile_number.value.length > 0 && _form_.mobile_number.value.length < 10 || _form_.mobile_number.value.length > 11 )
	{
		alert("Mobile number must be full 10 digits");
		return false;
	}
	
	if ( _form_.mobile_number.value.length > 0 && _form_.mobile_carrier.value == "" )
	{
		alert("You must specify a Mobile Carrier with your Mobile Number");
		return false;
	}
	
	return true;
}


vSocial.prototype.changeUploadForm = function( type )
{
	if ( type == "video" )
	{
		$("video-form").style.display = "block";
		$("image-form").style.display = "none";
	}
	else
	{
		$("video-form").style.display = "none";
		$("image-form").style.display = "block";
	}
}


guid = 0;
vsocial = new vSocial();
window.onerror=null;
setTimeout( vsocial.checkNewMessages, 60000 );

;

  
  var last_action = new Array();
  
  function $V(id){return $(id).value;}
  
  function toggle(id) {
  	if (last_action[id] == "shrink") {
  		new Effect.Expand({"id": id, time: .3});
  		new Effect.Fade(id, 0, 100, .3);
  		last_action[id] = "expand";
  	} else {
  		new Effect.Shrink({"id": id, time: .3, end: 0});
  		new Effect.Fade(id, 100, 0, .3);
  		last_action[id] = "shrink";
  	}
  }
  
  function sendMeAMessage() {
	var form = document.createElement("div");
	form.setAttribute("style", "padding: 10px;");
	form.setAttribute("class", "lightbox_message");
	form.innerHTML = '<h1>Send me a message</h1>Subject:<br/><input type="text" id="message_subject" /><br />Body:<br/><textarea id="message_body" class="message_body"></textarea><br /><br /><img src="/images/btn_submit.gif" onclick="sendMessage();"/ >&nbsp;<img src="/images/btn_cancel.gif" onclick="sendMessageCancel();">';
  	
	Lightbox.show({content: form});
  }
  
  var SendMessageHandler = {
  	onCreate: function() {},
  	
  	onSuccess: function(data) {
  	}
  }
  
  function sendMessage() {
	if ($V("message_subject") > "") {
		vSocial.doAjax( "/messages",
						{
							action: 7,
							subject: $V("message_subject"),
							body: $V("message_body"),
							d: $V("d")
						},
						SendMessageHandler,
						"GET");
		
  		sendMessageCancel();
  	} else {
  		alert("You need to have both a subject and body to send a private message");
  	}
  }
  
  function sendMessageCancel() {
  	Lightbox.hide();
  }
  
  
  function showLogin() {
	  if ( /Konqueror|Safari|KHTML/.test(navigator.userAgent) )
	  {
		window.location = "/login.php";
		return;
	  }
	  
	  
	  try { $('flash_player').height = "0px"; }
	  catch(e) {}
  	
	var container = document.createElement("div");
	container.setAttribute("style", "padding: 10px; padding-top: 20px; background: #373737; text-align: left;");
	container.setAttribute("id", "loginForm");
  	  
	
	container.innerHTML = $('login_overlay').innerHTML;
  	
	Lightbox.show({content: container});
	
	$('user_overlay').focus();
	
	return false;
  }
  
  function cancelLogin() {
  	Lightbox.hide();
  }
  
  function checkSubmit() {
   	if(!window.event) { return; }
   	if(window.event.keyCode == 13) { document.forms[0].submit(); }
   }
  
   
   function roundThis() {};


function sack(file){
	this.AjaxFailedAlert = "Your browser does not support the enhanced functionality of this website, and therefore you will have an experience that differs from the intended one.\n";
	this.requestFile = file;
	this.method = "POST";
	this.URLString = "";
	this.encodeURIString = true;
	this.execute = false;

	this.onLoading = function() { };
	this.onLoaded = function() { };
	this.onInteractive = function() { };
	this.onCompletion = function() { };

	this.createAJAX = function() {
		try {
			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (err) {
				this.xmlhttp = null;
			}
		}
		if(!this.xmlhttp && typeof XMLHttpRequest != "undefined")
			this.xmlhttp = new XMLHttpRequest();
		if (!this.xmlhttp){
			this.failed = true; 
		}
	};
	
	this.setVar = function(name, value){
		if (this.URLString.length < 3){
			this.URLString = name + "=" + value;
		} else {
			this.URLString += "&" + name + "=" + value;
		}
	}
	
	this.encVar = function(name, value){
		var varString = encodeURIComponent(name) + "=" + encodeURIComponent(value);
	return varString;
	}
	
	this.encodeURLString = function(string){
		varArray = string.split('&');
		for (i = 0; i < varArray.length; i++){
			urlVars = varArray[i].split('=');
			if (urlVars[0].indexOf('amp;') != -1){
				urlVars[0] = urlVars[0].substring(4);
			}
			varArray[i] = this.encVar(urlVars[0],urlVars[1]);
		}
	return varArray.join('&');
	}
	
	this.runResponse = function(){
		eval(this.response);
	}
	
	this.runAJAX = function(urlstring){
		this.responseStatus = new Array(2);
		if(this.failed && this.AjaxFailedAlert){ 
			alert(this.AjaxFailedAlert); 
		} else {
			if (urlstring){ 
				if (this.URLString.length){
					this.URLString = this.URLString + "&" + urlstring; 
				} else {
					this.URLString = urlstring; 
				}
			}
			if (this.encodeURIString){
				var timeval = new Date().getTime(); 
				this.URLString = this.encodeURLString(this.URLString);
				this.setVar("rndval", timeval);
			}
			if (this.element) { this.elementObj = document.getElementById(this.element); }
			if (this.xmlhttp) {
				var self = this;
				if (this.method == "GET") {
					var totalurlstring = this.requestFile + "?" + this.URLString;
					this.xmlhttp.open(this.method, totalurlstring, true);
				} else {
					this.xmlhttp.open(this.method, this.requestFile, true);
				}
				if (this.method == "POST"){
  					try {
						this.xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded')  
					} catch (e) {}
				}

				this.xmlhttp.send(this.URLString);
				this.xmlhttp.onreadystatechange = function() {
					switch (self.xmlhttp.readyState){
						case 1:
							self.onLoading();
						break;
						case 2:
							self.onLoaded();
						break;
						case 3:
							self.onInteractive();
						break;
						case 4:
							self.response = self.xmlhttp.responseText;
							self.responseXML = self.xmlhttp.responseXML;
							self.responseStatus[0] = self.xmlhttp.status;
							self.responseStatus[1] = self.xmlhttp.statusText;
							self.onCompletion();
							if(self.execute){ self.runResponse(); }
							if (self.elementObj) {
								var elemNodeName = self.elementObj.nodeName;
								elemNodeName.toLowerCase();
								if (elemNodeName == "input" || elemNodeName == "select" || elemNodeName == "option" || elemNodeName == "textarea"){
									self.elementObj.value = self.response;
								} else {
									self.elementObj.innerHTML = self.response;
								}
							}
							self.URLString = "";
						break;
					}
				};
			}
		}
	};
this.createAJAX();
}
;

/*  Prototype JavaScript framework, version 1.5.0
 *  (c) 2005-2007 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://prototype.conio.net/
 *
/*--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.5.0',
  BrowserFeatures: {
    XPath: !!document.evaluate
  },

  ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
  emptyFunction: function() {},
  K: function(x) { return x }
}

var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

var Abstract = new Object();

Object.extend = function(destination, source) {
  for (var property in source) {
    destination[property] = source[property];
  }
  return destination;
}

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (object === undefined) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : object.toString();
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  },

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({}, object);
  }
});

Function.prototype.bind = function() {
  var __method = this, args = $A(arguments), object = args.shift();
  return function() {
    return __method.apply(object, args.concat($A(arguments)));
  }
}

Function.prototype.bindAsEventListener = function(object) {
  var __method = this, args = $A(arguments), object = args.shift();
  return function(event) {
    return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));
  }
}

Object.extend(Number.prototype, {
  toColorPart: function() {
    var digits = this.toString(16);
    if (this < 16) return '0' + digits;
    return digits;
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator) {
    $R(0, this, true).each(iterator);
    return this;
  }
});

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) {}
    }

    return returnValue;
  }
}

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create();
PeriodicalExecuter.prototype = {
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.callback(this);
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
}
String.interpret = function(value){
  return value == null ? '' : String(value);
}

Object.extend(String.prototype, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(replacement);

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = count === undefined ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return this;
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = truncation === undefined ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : this;
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var div = document.createElement('div');
    var text = document.createTextNode(this);
    div.appendChild(text);
    return div.innerHTML;
  },

  unescapeHTML: function() {
    var div = document.createElement('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('',function(memo,node){ return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return {};

    return match[1].split(separator || '&').inject({}, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var name = decodeURIComponent(pair[0]);
        var value = pair[1] ? decodeURIComponent(pair[1]) : undefined;

        if (hash[name] !== undefined) {
          if (hash[name].constructor != Array)
            hash[name] = [hash[name]];
          if (value) hash[name].push(value);
        }
        else hash[name] = value;
      }
      return hash;
    });
  },

  toArray: function() {
    return this.split('');
  },

  succ: function() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  },

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

  capitalize: function(){
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  },

  underscore: function() {
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
  },

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.replace(/\\/g, '\\\\');
    if (useDoubleQuotes)
      return '"' + escapedString.replace(/"/g, '\\"') + '"';
    else
      return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (typeof replacement == 'function') return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
}

String.prototype.parseQuery = String.prototype.toQueryParams;

var Template = Class.create();
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
Template.prototype = {
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern  = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    return this.template.gsub(this.pattern, function(match) {
      var before = match[1];
      if (before == '\\') return match[2];
      return before + String.interpret(object[match[3]]);
    });
  }
}

var $break    = new Object();
var $continue = new Object();

var Enumerable = {
  each: function(iterator) {
    var index = 0;
    try {
      this._each(function(value) {
        try {
          iterator(value, index++);
        } catch (e) {
          if (e != $continue) throw e;
        }
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(number, iterator) {
    var index = -number, slices = [], array = this.toArray();
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.map(iterator);
  },

  all: function(iterator) {
    var result = true;
    this.each(function(value, index) {
      result = result && !!(iterator || Prototype.K)(value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator) {
    var result = false;
    this.each(function(value, index) {
      if (result = !!(iterator || Prototype.K)(value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      results.push((iterator || Prototype.K)(value, index));
    });
    return results;
  },

  detect: function(iterator) {
    var result;
    this.each(function(value, index) {
      if (iterator(value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      if (iterator(value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(pattern, iterator) {
    var results = [];
    this.each(function(value, index) {
      var stringValue = value.toString();
      if (stringValue.match(pattern))
        results.push((iterator || Prototype.K)(value, index));
    })
    return results;
  },

  include: function(object) {
    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = fillWith === undefined ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  },

  inject: function(memo, iterator) {
    this.each(function(value, index) {
      memo = iterator(memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator) {
    var result;
    this.each(function(value, index) {
      value = (iterator || Prototype.K)(value, index);
      if (result == undefined || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator) {
    var result;
    this.each(function(value, index) {
      value = (iterator || Prototype.K)(value, index);
      if (result == undefined || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator) {
    var trues = [], falses = [];
    this.each(function(value, index) {
      ((iterator || Prototype.K)(value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value, index) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator(value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator) {
    return this.map(function(value, index) {
      return {value: value, criteria: iterator(value, index)};
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.map();
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (typeof args.last() == 'function')
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  },

  size: function() {
    return this.toArray().length;
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
}

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray
});
var $A = Array.from = function(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) {
    return iterable.toArray();
  } else {
    var results = [];
    for (var i = 0, length = iterable.length; i < length; i++)
      results.push(iterable[i]);
    return results;
  }
}

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse)
  Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(value && value.constructor == Array ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  indexOf: function(object) {
    for (var i = 0, length = this.length; i < length; i++)
      if (this[i] == object) return i;
    return -1;
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function() {
    return this.inject([], function(array, value) {
      return array.include(value) ? array : array.concat([value]);
    });
  },

  clone: function() {
    return [].concat(this);
  },

  size: function() {
    return this.length;
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  }
});

Array.prototype.toArray = Array.prototype.clone;

function $w(string){
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

if(window.opera){
  Array.prototype.concat = function(){
    var array = [];
    for(var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for(var i = 0, length = arguments.length; i < length; i++) {
      if(arguments[i].constructor == Array) {
        for(var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  }
}
var Hash = function(obj) {
  Object.extend(this, obj || {});
};

Object.extend(Hash, {
  toQueryString: function(obj) {
    var parts = [];

	  this.prototype._each.call(obj, function(pair) {
      if (!pair.key) return;

      if (pair.value && pair.value.constructor == Array) {
        var values = pair.value.compact();
        if (values.length < 2) pair.value = values.reduce();
        else {
        	key = encodeURIComponent(pair.key);
          values.each(function(value) {
            value = value != undefined ? encodeURIComponent(value) : '';
            parts.push(key + '=' + encodeURIComponent(value));
          });
          return;
        }
      }
      if (pair.value == undefined) pair[1] = '';
      parts.push(pair.map(encodeURIComponent).join('='));
	  });

    return parts.join('&');
  }
});

Object.extend(Hash.prototype, Enumerable);
Object.extend(Hash.prototype, {
  _each: function(iterator) {
    for (var key in this) {
      var value = this[key];
      if (value && value == Hash.prototype[key]) continue;

      var pair = [key, value];
      pair.key = key;
      pair.value = value;
      iterator(pair);
    }
  },

  keys: function() {
    return this.pluck('key');
  },

  values: function() {
    return this.pluck('value');
  },

  merge: function(hash) {
    return $H(hash).inject(this, function(mergedHash, pair) {
      mergedHash[pair.key] = pair.value;
      return mergedHash;
    });
  },

  remove: function() {
    var result;
    for(var i = 0, length = arguments.length; i < length; i++) {
      var value = this[arguments[i]];
      if (value !== undefined){
        if (result === undefined) result = value;
        else {
          if (result.constructor != Array) result = [result];
          result.push(value)
        }
      }
      delete this[arguments[i]];
    }
    return result;
  },

  toQueryString: function() {
    return Hash.toQueryString(this);
  },

  inspect: function() {
    return '#<Hash:{' + this.map(function(pair) {
      return pair.map(Object.inspect).join(': ');
    }).join(', ') + '}>';
  }
});

function $H(object) {
  if (object && object.constructor == Hash) return object;
  return new Hash(object);
};
ObjectRange = Class.create();
Object.extend(ObjectRange.prototype, Enumerable);
Object.extend(ObjectRange.prototype, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
}

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
}

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (typeof responder[callback] == 'function') {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) {}
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate: function() {
    Ajax.activeRequestCount++;
  },
  onComplete: function() {
    Ajax.activeRequestCount--;
  }
});

Ajax.Base = function() {};
Ajax.Base.prototype = {
  setOptions: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   ''
    }
    Object.extend(this.options, options || {});

    this.options.method = this.options.method.toLowerCase();
    if (typeof this.options.parameters == 'string')
      this.options.parameters = this.options.parameters.toQueryParams();
  }
}

Ajax.Request = Class.create();
Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
  _complete: false,

  initialize: function(url, options) {
    this.transport = Ajax.getTransport();
    this.setOptions(options);
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = this.options.parameters;

    if (!['get', 'post'].include(this.method)) {
      // simulate other verbs over post
      params['_method'] = this.method;
      this.method = 'post';
    }

    params = Hash.toQueryString(params);
    if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_='

    // when GET, append parameters to URL
    if (this.method == 'get' && params)
      this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + params;

    try {
      Ajax.Responders.dispatch('onCreate', this, this.transport);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous)
        setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      var body = this.method == 'post' ? (this.options.postBody || params) : null;

      this.transport.send(body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    // user-defined headers
    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (typeof extras.push == 'function')
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    return !this.transport.status
        || (this.transport.status >= 200 && this.transport.status < 300);
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState];
    var transport = this.transport, json = this.evalJSON();

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + this.transport.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(transport, json);
      } catch (e) {
        this.dispatchException(e);
      }

      if ((this.getHeader('Content-type') || 'text/javascript').strip().
        match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
          this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(transport, json);
      Ajax.Responders.dispatch('on' + state, this, transport, json);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      // avoid memory leak in MSIE: clean up
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name);
    } catch (e) { return null }
  },

  evalJSON: function() {
    try {
      var json = this.getHeader('X-JSON');
      return json ? eval('(' + json + ')') : null;
    } catch (e) { return null }
  },

  evalResponse: function() {
    try {
      return eval(this.transport.responseText);
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Updater = Class.create();

Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
  initialize: function(container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    }

    this.transport = Ajax.getTransport();
    this.setOptions(options);

    var onComplete = this.options.onComplete || Prototype.emptyFunction;
    this.options.onComplete = (function(transport, param) {
      this.updateContent();
      onComplete(transport, param);
    }).bind(this);

    this.request(url);
  },

  updateContent: function() {
    var receiver = this.container[this.success() ? 'success' : 'failure'];
    var response = this.transport.responseText;

    if (!this.options.evalScripts) response = response.stripScripts();

    if (receiver = $(receiver)) {
      if (this.options.insertion)
        new this.options.insertion(receiver, response);
      else
        receiver.update(response);
    }

    if (this.success()) {
      if (this.onComplete)
        setTimeout(this.onComplete.bind(this), 10);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
  initialize: function(container, url, options) {
    this.setOptions(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = {};
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(request) {
    if (this.options.decay) {
      this.decay = (request.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = request.responseText;
    }
    this.timer = setTimeout(this.onTimerEvent.bind(this),
      this.decay * this.frequency * 1000);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (typeof element == 'string')
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(query.snapshotItem(i));
    return results;
  };
}

document.getElementsByClassName = function(className, parentElement) {
  if (Prototype.BrowserFeatures.XPath) {
    var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
    return document._getElementsByXPath(q, parentElement);
  } else {
    var children = ($(parentElement) || document.body).getElementsByTagName('*');
    var elements = [], child;
    for (var i = 0, length = children.length; i < length; i++) {
      child = children[i];
      if (Element.hasClassName(child, className))
        elements.push(Element.extend(child));
    }
    return elements;
  }
};

/*--------------------------------------------------------------------------*/

if (!window.Element)
  var Element = new Object();

Element.extend = function(element) {
  if (!element || _nativeExtensions || element.nodeType == 3) return element;

  if (!element._extended && element.tagName && element != window) {
    var methods = Object.clone(Element.Methods), cache = Element.extend.cache;

    if (element.tagName == 'FORM')
      Object.extend(methods, Form.Methods);
    if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName))
      Object.extend(methods, Form.Element.Methods);

    Object.extend(methods, Element.Methods.Simulated);

    for (var property in methods) {
      var value = methods[property];
      if (typeof value == 'function' && !(property in element))
        element[property] = cache.findOrStore(value);
    }
  }

  element._extended = true;
  return element;
};

Element.extend.cache = {
  findOrStore: function(value) {
    return this[value] = this[value] || function() {
      return value.apply(null, [this].concat($A(arguments)));
    }
  }
};

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    $(element).style.display = 'none';
    return element;
  },

  show: function(element) {
    $(element).style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: function(element, html) {
    html = typeof html == 'undefined' ? '' : html.toString();
    $(element).innerHTML = html.stripScripts();
    setTimeout(function() {html.evalScripts()}, 10);
    return element;
  },

  replace: function(element, html) {
    element = $(element);
    html = typeof html == 'undefined' ? '' : html.toString();
    if (element.outerHTML) {
      element.outerHTML = html.stripScripts();
    } else {
      var range = element.ownerDocument.createRange();
      range.selectNodeContents(element);
      element.parentNode.replaceChild(
        range.createContextualFragment(html.stripScripts()), element);
    }
    setTimeout(function() {html.evalScripts()}, 10);
    return element;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    return $A($(element).getElementsByTagName('*'));
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    if (typeof selector == 'string')
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    return Selector.findElement($(element).ancestors(), expression, index);
  },

  down: function(element, expression, index) {
    return Selector.findElement($(element).descendants(), expression, index);
  },

  previous: function(element, expression, index) {
    return Selector.findElement($(element).previousSiblings(), expression, index);
  },

  next: function(element, expression, index) {
    return Selector.findElement($(element).nextSiblings(), expression, index);
  },

  getElementsBySelector: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  getElementsByClassName: function(element, className) {
    return document.getElementsByClassName(className, element);
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (document.all && !window.opera) {
      var t = Element._attributeTranslations;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name])  name = t.names[name];
      var attribute = element.attributes[name];
      if(attribute) return attribute.nodeValue;
    }
    return element.getAttribute(name);
  },

  getHeight: function(element) {
    return $(element).getDimensions().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    if (elementClassName.length == 0) return false;
    if (elementClassName == className ||
        elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
      return true;
    return false;
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    Element.classNames(element).add(className);
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    Element.classNames(element).remove(className);
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className);
    return element;
  },

  observe: function() {
    Event.observe.apply(Event, arguments);
    return $A(arguments).first();
  },

  stopObserving: function() {
    Event.stopObserving.apply(Event, arguments);
    return $A(arguments).first();
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.match(/^\s*$/);
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    while (element = element.parentNode)
      if (element == ancestor) return true;
    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = Position.cumulativeOffset(element);
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    if (['float','cssFloat'].include(style))
      style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat');
    style = style.camelize();
    var value = element.style[style];
    if (!value) {
      if (document.defaultView && document.defaultView.getComputedStyle) {
        var css = document.defaultView.getComputedStyle(element, null);
        value = css ? css[style] : null;
      } else if (element.currentStyle) {
        value = element.currentStyle[style];
      }
    }

    if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none'))
      value = element['offset'+style.capitalize()] + 'px';

    if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
      if (Element.getStyle(element, 'position') == 'static') value = 'auto';
    if(style == 'opacity') {
      if(value) return parseFloat(value);
      if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if(value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }
    return value == 'auto' ? null : value;
  },

  setStyle: function(element, style) {
    element = $(element);
    for (var name in style) {
      var value = style[name];
      if(name == 'opacity') {
        if (value == 1) {
          value = (/Gecko/.test(navigator.userAgent) &&
            !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0;
          if(/MSIE/.test(navigator.userAgent) && !window.opera)
            element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');
        } else if(value == '') {
          if(/MSIE/.test(navigator.userAgent) && !window.opera)
            element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');
        } else {
          if(value < 0.00001) value = 0;
          if(/MSIE/.test(navigator.userAgent) && !window.opera)
            element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') +
              'alpha(opacity='+value*100+')';
        }
      } else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat';
      element.style[name.camelize()] = value;
    }
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = $(element).getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (window.opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = element.style.overflow || 'auto';
    if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  }
};

Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf});

Element._attributeTranslations = {};

Element._attributeTranslations.names = {
  colspan:   "colSpan",
  rowspan:   "rowSpan",
  valign:    "vAlign",
  datetime:  "dateTime",
  accesskey: "accessKey",
  tabindex:  "tabIndex",
  enctype:   "encType",
  maxlength: "maxLength",
  readonly:  "readOnly",
  longdesc:  "longDesc"
};

Element._attributeTranslations.values = {
  _getAttr: function(element, attribute) {
    return element.getAttribute(attribute, 2);
  },

  _flag: function(element, attribute) {
    return $(element).hasAttribute(attribute) ? attribute : null;
  },

  style: function(element) {
    return element.style.cssText.toLowerCase();
  },

  title: function(element) {
    var node = element.getAttributeNode('title');
    return node.specified ? node.nodeValue : null;
  }
};

Object.extend(Element._attributeTranslations.values, {
  href: Element._attributeTranslations.values._getAttr,
  src:  Element._attributeTranslations.values._getAttr,
  disabled: Element._attributeTranslations.values._flag,
  checked:  Element._attributeTranslations.values._flag,
  readonly: Element._attributeTranslations.values._flag,
  multiple: Element._attributeTranslations.values._flag
});

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    var t = Element._attributeTranslations;
    attribute = t.names[attribute] || attribute;
    return $(element).getAttributeNode(attribute).specified;
  }
};

// IE is missing .innerHTML support for TABLE-related elements
if (document.all && !window.opera){
  Element.Methods.update = function(element, html) {
    element = $(element);
    html = typeof html == 'undefined' ? '' : html.toString();
    var tagName = element.tagName.toUpperCase();
    if (['THEAD','TBODY','TR','TD'].include(tagName)) {
      var div = document.createElement('div');
      switch (tagName) {
        case 'THEAD':
        case 'TBODY':
          div.innerHTML = '<table><tbody>' +  html.stripScripts() + '</tbody></table>';
          depth = 2;
          break;
        case 'TR':
          div.innerHTML = '<table><tbody><tr>' +  html.stripScripts() + '</tr></tbody></table>';
          depth = 3;
          break;
        case 'TD':
          div.innerHTML = '<table><tbody><tr><td>' +  html.stripScripts() + '</td></tr></tbody></table>';
          depth = 4;
      }
      $A(element.childNodes).each(function(node){
        element.removeChild(node)
      });
      depth.times(function(){ div = div.firstChild });

      $A(div.childNodes).each(
        function(node){ element.appendChild(node) });
    } else {
      element.innerHTML = html.stripScripts();
    }
    setTimeout(function() {html.evalScripts()}, 10);
    return element;
  }
};

Object.extend(Element, Element.Methods);

var _nativeExtensions = false;

if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))
  ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) {
    var className = 'HTML' + tag + 'Element';
    if(window[className]) return;
    var klass = window[className] = {};
    klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__;
  });

Element.addMethods = function(methods) {
  Object.extend(Element.Methods, methods || {});

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    var cache = Element.extend.cache;
    for (var property in methods) {
      var value = methods[property];
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = cache.findOrStore(value);
    }
  }

  if (typeof HTMLElement != 'undefined') {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
    copy(Form.Methods, HTMLFormElement.prototype);
    [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) {
      copy(Form.Element.Methods, klass.prototype);
    });
    _nativeExtensions = true;
  }
}

var Toggle = new Object();
Toggle.display = Element.toggle;

/*--------------------------------------------------------------------------*/

Abstract.Insertion = function(adjacency) {
  this.adjacency = adjacency;
}

Abstract.Insertion.prototype = {
  initialize: function(element, content) {
    this.element = $(element);
    this.content = content.stripScripts();

    if (this.adjacency && this.element.insertAdjacentHTML) {
      try {
        this.element.insertAdjacentHTML(this.adjacency, this.content);
      } catch (e) {
        var tagName = this.element.tagName.toUpperCase();
        if (['TBODY', 'TR'].include(tagName)) {
          this.insertContent(this.contentFromAnonymousTable());
        } else {
          throw e;
        }
      }
    } else {
      this.range = this.element.ownerDocument.createRange();
      if (this.initializeRange) this.initializeRange();
      this.insertContent([this.range.createContextualFragment(this.content)]);
    }

    setTimeout(function() {content.evalScripts()}, 10);
  },

  contentFromAnonymousTable: function() {
    var div = document.createElement('div');
    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
    return $A(div.childNodes[0].childNodes[0].childNodes);
  }
}

var Insertion = new Object();

Insertion.Before = Class.create();
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
  initializeRange: function() {
    this.range.setStartBefore(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.parentNode.insertBefore(fragment, this.element);
    }).bind(this));
  }
});

Insertion.Top = Class.create();
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(true);
  },

  insertContent: function(fragments) {
    fragments.reverse(false).each((function(fragment) {
      this.element.insertBefore(fragment, this.element.firstChild);
    }).bind(this));
  }
});

Insertion.Bottom = Class.create();
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.appendChild(fragment);
    }).bind(this));
  }
});

Insertion.After = Class.create();
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
  initializeRange: function() {
    this.range.setStartAfter(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.parentNode.insertBefore(fragment,
        this.element.nextSibling);
    }).bind(this));
  }
});

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);
var Selector = Class.create();
Selector.prototype = {
  initialize: function(expression) {
    this.params = {classNames: []};
    this.expression = expression.toString().strip();
    this.parseExpression();
    this.compileMatcher();
  },

  parseExpression: function() {
    function abort(message) { throw 'Parse error in selector: ' + message; }

    if (this.expression == '')  abort('empty expression');

    var params = this.params, expr = this.expression, match, modifier, clause, rest;
    while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) {
      params.attributes = params.attributes || [];
      params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''});
      expr = match[1];
    }

    if (expr == '*') return this.params.wildcard = true;

    while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) {
      modifier = match[1], clause = match[2], rest = match[3];
      switch (modifier) {
        case '#':       params.id = clause; break;
        case '.':       params.classNames.push(clause); break;
        case '':
        case undefined: params.tagName = clause.toUpperCase(); break;
        default:        abort(expr.inspect());
      }
      expr = rest;
    }

    if (expr.length > 0) abort(expr.inspect());
  },

  buildMatchExpression: function() {
    var params = this.params, conditions = [], clause;

    if (params.wildcard)
      conditions.push('true');
    if (clause = params.id)
      conditions.push('element.readAttribute("id") == ' + clause.inspect());
    if (clause = params.tagName)
      conditions.push('element.tagName.toUpperCase() == ' + clause.inspect());
    if ((clause = params.classNames).length > 0)
      for (var i = 0, length = clause.length; i < length; i++)
        conditions.push('element.hasClassName(' + clause[i].inspect() + ')');
    if (clause = params.attributes) {
      clause.each(function(attribute) {
        var value = 'element.readAttribute(' + attribute.name.inspect() + ')';
        var splitValueBy = function(delimiter) {
          return value + ' && ' + value + '.split(' + delimiter.inspect() + ')';
        }

        switch (attribute.operator) {
          case '=':       conditions.push(value + ' == ' + attribute.value.inspect()); break;
          case '~=':      conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break;
          case '|=':      conditions.push(
                            splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect()
                          ); break;
          case '!=':      conditions.push(value + ' != ' + attribute.value.inspect()); break;
          case '':
          case undefined: conditions.push('element.hasAttribute(' + attribute.name.inspect() + ')'); break;
          default:        throw 'Unknown operator ' + attribute.operator + ' in selector';
        }
      });
    }

    return conditions.join(' && ');
  },

  compileMatcher: function() {
    this.match = new Function('element', 'if (!element.tagName) return false; \
      element = $(element); \
      return ' + this.buildMatchExpression());
  },

  findElements: function(scope) {
    var element;

    if (element = $(this.params.id))
      if (this.match(element))
        if (!scope || Element.childOf(element, scope))
          return [element];

    scope = (scope || document).getElementsByTagName(this.params.tagName || '*');

    var results = [];
    for (var i = 0, length = scope.length; i < length; i++)
      if (this.match(element = scope[i]))
        results.push(Element.extend(element));

    return results;
  },

  toString: function() {
    return this.expression;
  }
}

Object.extend(Selector, {
  matchElements: function(elements, expression) {
    var selector = new Selector(expression);
    return elements.select(selector.match.bind(selector)).map(Element.extend);
  },

  findElement: function(elements, expression, index) {
    if (typeof expression == 'number') index = expression, expression = false;
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    return expressions.map(function(expression) {
      return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) {
        var selector = new Selector(expr);
        return results.inject([], function(elements, result) {
          return elements.concat(selector.findElements(result || element));
        });
      });
    }).flatten();
  }
});

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(form) {
    $(form).reset();
    return form;
  },

  serializeElements: function(elements, getHash) {
    var data = elements.inject({}, function(result, element) {
      if (!element.disabled && element.name) {
        var key = element.name, value = $(element).getValue();
        if (value != undefined) {
          if (result[key]) {
            if (result[key].constructor != Array) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return getHash ? data : Hash.toQueryString(data);
  }
};

Form.Methods = {
  serialize: function(form, getHash) {
    return Form.serializeElements(Form.getElements(form), getHash);
  },

  getElements: function(form) {
    return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
        if (Form.Element.Serializers[child.tagName.toLowerCase()])
          elements.push(Element.extend(child));
        return elements;
      }
    );
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    form.getElements().each(function(element) {
      element.blur();
      element.disabled = 'true';
    });
    return form;
  },

  enable: function(form) {
    form = $(form);
    form.getElements().each(function(element) {
      element.disabled = '';
    });
    return form;
  },

  findFirstElement: function(form) {
    return $(form).getElements().find(function(element) {
      return element.type != 'hidden' && !element.disabled &&
        ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  }
}

Object.extend(Form, Form.Methods);

/*--------------------------------------------------------------------------*/

Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
}

Form.Element.Methods = {
  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = {};
        pair[element.name] = value;
        return Hash.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    element.focus();
    if (element.select && ( element.tagName.toLowerCase() != 'input' ||
      !['button', 'reset', 'submit'].include(element.type) ) )
      element.select();
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.blur();
    element.disabled = false;
    return element;
  }
}

Object.extend(Form.Element, Form.Element.Methods);
var Field = Form.Element;
var $F = Form.Element.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element);
      default:
        return Form.Element.Serializers.textarea(element);
    }
  },

  inputSelector: function(element) {
    return element.checked ? element.value : null;
  },

  textarea: function(element) {
    return element.value;
  },

  select: function(element) {
    return this[element.type == 'select-one' ?
      'selectOne' : 'selectMany'](element);
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {
    // extend element because hasAttribute may not be native
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
}

/*--------------------------------------------------------------------------*/

Abstract.TimedObserver = function() {}
Abstract.TimedObserver.prototype = {
  initialize: function(element, frequency, callback) {
    this.frequency = frequency;
    this.element   = $(element);
    this.callback  = callback;

    this.lastValue = this.getValue();
    this.registerCallback();
  },

  registerCallback: function() {
    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  onTimerEvent: function() {
    var value = this.getValue();
    var changed = ('string' == typeof this.lastValue && 'string' == typeof value
      ? this.lastValue != value : String(this.lastValue) != String(value));
    if (changed) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
}

Form.Element.Observer = Class.create();
Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create();
Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = function() {}
Abstract.EventObserver.prototype = {
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback.bind(this));
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
}

Form.Element.EventObserver = Class.create();
Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create();
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
if (!window.Event) {
  var Event = new Object();
}

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,
  KEY_HOME:     36,
  KEY_END:      35,
  KEY_PAGEUP:   33,
  KEY_PAGEDOWN: 34,

  element: function(event) {
    return event.target || event.srcElement;
  },

  isLeftClick: function(event) {
    return (((event.which) && (event.which == 1)) ||
            ((event.button) && (event.button == 1)));
  },

  pointerX: function(event) {
    return event.pageX || (event.clientX +
      (document.documentElement.scrollLeft || document.body.scrollLeft));
  },

  pointerY: function(event) {
    return event.pageY || (event.clientY +
      (document.documentElement.scrollTop || document.body.scrollTop));
  },

  stop: function(event) {
    if (event.preventDefault) {
      event.preventDefault();
      event.stopPropagation();
    } else {
      event.returnValue = false;
      event.cancelBubble = true;
    }
  },

  // find the first node with the given tagName, starting from the
  // node the event was triggered on; traverses the DOM upwards
  findElement: function(event, tagName) {
    var element = Event.element(event);
    while (element.parentNode && (!element.tagName ||
        (element.tagName.toUpperCase() != tagName.toUpperCase())))
      element = element.parentNode;
    return element;
  },

  observers: false,

  _observeAndCache: function(element, name, observer, useCapture) {
    if (!this.observers) this.observers = [];
    if (element.addEventListener) {
      this.observers.push([element, name, observer, useCapture]);
      element.addEventListener(name, observer, useCapture);
    } else if (element.attachEvent) {
      this.observers.push([element, name, observer, useCapture]);
      element.attachEvent('on' + name, observer);
    }
  },

  unloadCache: function() {
    if (!Event.observers) return;
    for (var i = 0, length = Event.observers.length; i < length; i++) {
      Event.stopObserving.apply(this, Event.observers[i]);
      Event.observers[i][0] = null;
    }
    Event.observers = false;
  },

  observe: function(element, name, observer, useCapture) {
    element = $(element);
    useCapture = useCapture || false;

    if (name == 'keypress' &&
        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
        || element.attachEvent))
      name = 'keydown';

    Event._observeAndCache(element, name, observer, useCapture);
  },

  stopObserving: function(element, name, observer, useCapture) {
    element = $(element);
    useCapture = useCapture || false;

    if (name == 'keypress' &&
        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
        || element.detachEvent))
      name = 'keydown';

    if (element.removeEventListener) {
      element.removeEventListener(name, observer, useCapture);
    } else if (element.detachEvent) {
      try {
        element.detachEvent('on' + name, observer);
      } catch (e) {}
    }
  }
});

/* prevent memory leaks in IE */
if (navigator.appVersion.match(/\bMSIE\b/))
  Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  realOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return [valueL, valueT];
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return [valueL, valueT];
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if(element.tagName=='BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p == 'relative' || p == 'absolute') break;
      }
    } while (element);
    return [valueL, valueT];
  },

  offsetParent: function(element) {
    if (element.offsetParent) return element.offsetParent;
    if (element == document.body) return element;

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return element;

    return document.body;
  },

  // caches x/y coordinate pair to use with overlap
  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = this.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = this.realOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = this.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  // within must be called directly before
  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },

  page: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent==document.body)
        if (Element.getStyle(element,'position')=='absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!window.opera || element.tagName=='BODY') {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return [valueL, valueT];
  },

  clone: function(source, target) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || {})

    // find page position of source
    source = $(source);
    var p = Position.page(source);

    // find coordinate system to use
    target = $(target);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(target,'position') == 'absolute') {
      parent = Position.offsetParent(target);
      delta = Position.page(parent);
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if(options.setWidth)  target.style.width = source.offsetWidth + 'px';
    if(options.setHeight) target.style.height = source.offsetHeight + 'px';
  },

  absolutize: function(element) {
    element = $(element);
    if (element.style.position == 'absolute') return;
    Position.prepare();

    var offsets = Position.positionedOffset(element);
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
  },

  relativize: function(element) {
    element = $(element);
    if (element.style.position == 'relative') return;
    Position.prepare();

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
  }
}

// Safari returns margins on body which is incorrect if the child is absolutely
// positioned.  For performance reasons, redefine Position.cumulativeOffset for
// KHTML/WebKit only.
if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
  Position.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return [valueL, valueT];
  }
}

Element.addMethods();
;

// script.aculo.us scriptaculous.js v1.7.0, Fri Jan 19 19:16:36 CET 2007

// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// 
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// For details, see the script.aculo.us web site: http://script.aculo.us/

var Scriptaculous = {
  Version: '1.7.0',
  require: function(libraryName) {
    // inserting via DOM fails in Safari 2.0, so brute force approach
    document.write('<script type="text/javascript" src="'+libraryName+'"></script>');
  },
  load: function() {
    if((typeof Prototype=='undefined') || 
       (typeof Element == 'undefined') || 
       (typeof Element.Methods=='undefined') ||
       parseFloat(Prototype.Version.split(".")[0] + "." +
                  Prototype.Version.split(".")[1]) < 1.5)
       throw("script.aculo.us requires the Prototype JavaScript framework >= 1.5.0");
    
    $A(document.getElementsByTagName("script")).findAll( function(s) {
      return (s.src && s.src.match(/scriptaculous\.js(\?.*)?$/))
    }).each( function(s) {
      var path = s.src.replace(/scriptaculous\.js(\?.*)?$/,'');
      var includes = s.src.match(/\?.*load=([a-z,]*)/);
      (includes ? includes[1] : 'builder,effects,dragdrop,controls,slider').split(',').each(
       function(include) { Scriptaculous.require(path+include+'.js') });
    });
  }
}

Scriptaculous.load();
;

/**
 * reflection.js v1.6
 *
 * Contributors: Cow http://cow.neondragon.net
 *               Gfx http://www.jroller.com/page/gfx/
 *               Sitharus http://www.sitharus.com
 *               Andreas Linde http://www.andreaslinde.de
 *               Tralala, coder @ http://www.vbulletin.org
 *
 * Freely distributable under MIT-style license.
 */
 
/* From prototype.js */
document.getElementsByClassName = function(className) {
	var children = document.getElementsByTagName('*') || document.all;
	var elements = new Array();
  
	for (var i = 0; i < children.length; i++) {
		var child = children[i];
		var classNames = child.className.split(' ');
		for (var j = 0; j < classNames.length; j++) {
			if (classNames[j] == className) {
				elements.push(child);
				break;
			}
		}
	}
	return elements;
}

var Reflection = {
	defaultHeight : 0.5,
	defaultOpacity: 0.5,
	
	add: function(image, options) {
		Reflection.remove(image);
		
		doptions = { "height" : Reflection.defaultHeight, "opacity" : Reflection.defaultOpacity }
		if (options) {
			for (var i in doptions) {
				if (!options[i]) {
					options[i] = doptions[i];
				}
			}
		} else {
			options = doptions;
		}
	
		try {
			var d = document.createElement('div');
			var p = image;
			
			var classes = p.className.split(' ');
			var newClasses = '';
			for (j=0;j<classes.length;j++) {
				if (classes[j] != "reflect") {
					if (newClasses) {
						newClasses += ' '
					}
					
					newClasses += classes[j];
				}
			}

			var reflectionHeight = Math.floor(p.height*options['height']);
			var divHeight = Math.floor(p.height*(1+options['height']));
			
			var reflectionWidth = p.width;
			
			if (document.all && !window.opera) {
				/* Copy original image's classes & styles to div */
				d.className = newClasses;
				p.className = 'reflected';
				
				d.style.cssText = p.style.cssText;
				p.style.cssText = 'vertical-align: bottom';
			
				var reflection = document.createElement('img');
				reflection.src = p.src;
				reflection.style.width = reflectionWidth+'px';
				
				reflection.style.marginBottom = "-"+(p.height-reflectionHeight)+'px';
				reflection.style.filter = 'flipv progid:DXImageTransform.Microsoft.Alpha(opacity='+(options['opacity']*100)+', style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy='+(options['height']*100)+')';
				
				d.style.width = reflectionWidth+'px';
				d.style.height = divHeight+'px';
				p.parentNode.replaceChild(d, p);
				
				d.appendChild(p);
				d.appendChild(reflection);
			} else {
				var canvas = document.createElement('canvas');
				if (canvas.getContext) {
					/* Copy original image's classes & styles to div */
					d.className = newClasses;
					p.className = 'reflected';
					
					d.style.cssText = p.style.cssText;
					p.style.cssText = 'vertical-align: bottom';
			
					var context = canvas.getContext("2d");
				
					canvas.style.height = reflectionHeight+'px';
					canvas.style.width = reflectionWidth+'px';
					canvas.height = reflectionHeight;
					canvas.width = reflectionWidth;
					
					d.style.width = reflectionWidth+'px';
					d.style.height = divHeight+'px';
					p.parentNode.replaceChild(d, p);
					
					d.appendChild(p);
					d.appendChild(canvas);
					
					context.save();
					
					context.translate(0,image.height-1);
					context.scale(1,-1);
					
					context.drawImage(image, 0, 0, reflectionWidth, image.height);
	
					context.restore();
					
					context.globalCompositeOperation = "destination-out";
					var gradient = context.createLinearGradient(0, 0, 0, reflectionHeight);
					
					gradient.addColorStop(1, "rgba(255, 255, 255, 1.0)");
					gradient.addColorStop(0, "rgba(255, 255, 255, "+(1-options['opacity'])+")");
		
					context.fillStyle = gradient;
					if (navigator.appVersion.indexOf('WebKit') != -1) {
						context.fill();
					} else {
						context.fillRect(0, 0, reflectionWidth, reflectionHeight*2);
					}
				}
			}
		} catch (e) {
	    }
	},
	
	remove : function(image) {
		if (image.className == "reflected") {
			image.className = image.parentNode.className;
			image.parentNode.parentNode.replaceChild(image, image.parentNode);
		}
	}
}

function addReflections() {
	var rimages = document.getElementsByClassName('reflect');
	for (i=0;i<rimages.length;i++) {
		var rheight = null;
		var ropacity = null;
		
		var classes = rimages[i].className.split(' ');
		for (j=0;j<classes.length;j++) {
			if (classes[j].indexOf("rheight") == 0) {
				var rheight = classes[j].substring(7)/100;
			} else if (classes[j].indexOf("ropacity") == 0) {
				var ropacity = classes[j].substring(8)/100;
			}
		}
		
		Reflection.add(rimages[i], { height: rheight, opacity : ropacity});
	}
}

var previousOnload = window.onload;
window.onload = function () { if(previousOnload) previousOnload(); addReflections(); }
;



/**
 *  vWidget - vSocial widgets
 *
 *  
 */


 var vWidgetBaseUrl = "http://staging.vsocial.net/widgets";
var vWidget = function( obj )
{
	this.url = vWidgetBaseUrl + "/json.php";

	this.params = {
		widgetType: "video", // video, friends or communities
		type: 		"new",
		channel:    "",
		template:   "default",
		rows:       1,
		columns:    3,
		transition: "toast", // toast only (should add scroll and fade)
		reflection: true
	};
	
	for(key in obj) { this.params[key] = obj[key]; }

	this.params.currentPage = 0;
	this.params.countPerPage = this.params.rows * this.params.columns * 9;
	
	this.params.instanceId = vWidget.Instances.length;
	
	vWidget.Instances[ this.params.instanceId ] = this;
	
	this.items = new Array();

	this.loadContainer();
	this.loadMoreResults();

	document.write("<di"+"v id='vWidget_"+this.params.instanceId+"'></di"+"v>");
}

/**
 *  vWidget Instances
 *
 *  Array containing the instances of each vWidget
 *  allows multiple widgets to be used on a single
 *	page
 */
if ( typeof vWidget.Instances == "undefined" )
{
	vWidget.Instances = new Array();	
}

/**
 *	vWidget loadMoreResults
 *
 *	Loads results 
 */
vWidget.prototype.loadMoreResults = function()
{
	vWidget.Json.load( this.url + "?" + vWidget.Json.serialize( this.params ) );
}

/**
 *	vWidget handleData
 *
 *	Takes returned data from Json call and loads
 *	it into the appropriate variables
 */
vWidget.prototype.handleData = function( obj )
{
	if ( obj.response == "success" )
	{
		for(i in obj.items)
		{
			this.items.push(obj.items[i]);
		}

		this.doPreloading();

		this.showImages();
	}
	else
	{
		var widget = this.getWidget();
		var obj = widget.getElementsByTagName("div");
			
		for(i = 0; i < obj.length; i++)
		{
			if (obj[i].getAttribute("id") == "vwidget-loading")
				obj[i].innerHTML = "None found<br />Will retry again soon";
		}	
		
		
		setTimeout( new Function("vWidget.Instances["+this.params.instanceId+"].loadMoreResults();"), 5000 );
	}
}


vWidget.prototype.showImages = function( retries )
{

	if (typeof retries == "undefined") retries = 0;
	
	this.currentPosition = this.params.currentPage * this.params.columns;
	
	var maxImage = this.currentPosition + this.params.columns;
	
	if (maxImage > this.items.length) maxImage = this.items.length - 1;
	
	for( var i = this.currentPosition; i < maxImage; i++ )
	{
		if (typeof this.items[i].imageObj == "undefined") this.preloadImage(i);
		
		var loaded = this.items[i].imageObj.isLoaded();
		
		if ( !loaded )
		{
			if (retries > 10) {
				this.items[i].imageObj = undefined;
				
				this.preloadImage(i);
				retries = 0;
			}
			
			var widget = this.getWidget();
	
			var obj = widget.getElementsByTagName("div");
			
			for(i = 0; i < obj.length; i++)
			{
				if (obj[i].getAttribute("id") == "vwidget-loading")
				{
					obj[i].innerHTML = "Loading";
					
					for(x=0;x<retries;x++)obj[i].innerHTML+=".";
				}
			}
			
			
			setTimeout( new Function( "vWidget.Instances["+this.params.instanceId+"].showImages("+(retries+1)+");"), 500);
			return;
		}
	}
	
	this.removeAllImages();
	
	for( i = this.currentPosition; i < maxImage; i++ )
	{
		var image, li = document.createElement("li"), a = document.createElement("a"), titlea = document.createElement("a"), title = document.createElement("div");
		
		a.href = this.items[i].url;
		titlea.href = this.items[i].url;
		
		this.items[i].imageObj.object.name = "vwidget_thumbnail";
		
		image = this.items[i].imageObj.getObject();
		
		image.style.top = "0px";

		title.innerHTML = this.items[i].text;

		title.className = "vwidget-text";
		title.style.opacity = "0.00001";
		
		titlea.appendChild( title );
		a.appendChild( image );
		
		
		li.appendChild( a );
		li.appendChild( titlea );
		
		li.style.position = "relative";
		
		this.getWidget().getElementsByTagName("ul").item(0).appendChild(li);
	}
	
	this.Effect.slideUp( this.getWidget() );
	
	setTimeout(new Function("vWidget.Instances["+this.params.instanceId+"].isChanging = false;"), 1000);
	
	this.hideLoading();
}

vWidget.prototype.showSource = function()
{
	var obj = document.createElement("div");
	
	var p = document.createElement("p");
	
	p.appendChild(document.createTextNode("To use the Javascript widget.  Paste the code below into your webpage wherever you want it to be shown.  That's it."));
	
	obj.appendChild(p);
	
	var code = document.createElement("input");
	code.style.width = "400px";
	code.onclick = function() { this.select(); }
	code.value = "<scr"+"ipt type='text/javascript' src='"+this.createSourceLink()+"'></scr"+"ipt>";
	
	obj.appendChild(code);

	Lightbox.show({content: obj});
}

vWidget.prototype.createSourceLink = function()
{
	return "http://staging.vsocial.net//widgets/?w="+this.params.widgetType+"&type="+this.params.type+"&tmpl="+this.params.template+"";
}

vWidget.prototype.removeAllImages = function()
{
	var widget = this.getWidget();

	var LIs = widget.getElementsByTagName("ul")[0];
	
	while( LIs.firstChild )
	{
		LIs.removeChild( LIs.firstChild );	
	}
}

/**
 *	vWidget doPreloading
 *
 *	starts the preloading process for every
 *	item in the items array
 */
vWidget.prototype.doPreloading = function()
{
	var currentItem = this.params.currentPage * ( this.params.columns * this.params.rows );
	
	for ( i = currentItem; i < currentItem + (this.params.columns*this.params.rows); i++ )
	{
		this.preloadImage( i );
	}
}

vWidget.prototype.preloadImage = function ( i )
{
	try
	{
		var title = this.items[i].text.split("<br />")[0];
		
		this.items[i].imageObj = new vWidget.Image( 
			{ 
				reflection: this.params.reflection, 
				src: this.items[i].image_url,
				title: title,
				url: this.items[i].url,
				initialState: "hidden",
				height: 100,
				width: 100
			} 
		);
	} catch(e){}
}

vWidget.prototype.getWidget = function()
{
	return document.getElementById( "vWidget_" + this.params.instanceId );
}



vWidget.Json = {
	load: function( url, noajax )
	{
		if (typeof noajax == "undefined") noajax = false;
		
		if (typeof Ajax == "undefined") noajax = true;

		if ("http://staging.vsocial.net/" == "http://staging.vsocial.net/" && noajax == false)
		{
			vWidget.Json.loadAjax(url);
		} else {
			vWidget.Json.loadScript(url);
		}
	},
	loadAjax: function(url)
	{
		try{ new Ajax.Request( url, { onSuccess: function(transport) { eval(transport.responseText); } } ); }
		catch(e) { vWidget.Json.loadScript(url); }
	},

	loadScript: function(url)
	{
		var head = document.getElementsByTagName("head");
		
		if ( head[0] )
		{
			var scriptTag = document.createElement( "script" );
			scriptTag.setAttribute( "src", url );
			scriptTag.setAttribute( "type", "text/javascript" );
			
			head[0].appendChild( scriptTag );
		}
		else
		{
			document.write( "<sc"+"ript src='"+url+"' type='"+"text/javascript'></script>" );
		}
	},
	
	handle: function( obj )
	{
		//if (typeof obj.instanceId == undefined) obj.instanceId = 0;	
		if (obj["method"] == "container") {
			vWidget.Instances[obj.instanceId].showContainer(obj);
		}
		else
		{
			vWidget.Instances[obj.instanceId].handleData(obj);
		}
	},
	
	serialize: function( obj )
	{
		var string = "";
		
		for ( key in obj )
		{
			string += key + "=" + obj[key] + "&";
		}
		
		return string;
	}
};

vWidget.prototype.next = function()
{
	if (this.isChanging) return;
	
	this.isChanging = true;
	if ( (this.params.columns * this.params.rows) * this.params.currentPage + (this.params.columns * this.params.rows) >= this.items.length )
	{
		return;
	}
	
	this.Effect.slideDown( this.getWidget() );
	
	this.params.currentPage += 1;
	
	setTimeout( new Function("vWidget.Instances["+this.params.instanceId+"].showImages();"), 1200);
}

vWidget.prototype.prev = function()
{
	if (this.isChanging) return;
	
	this.isChanging = true;
	
	this.Effect.slideDown( this.getWidget() );

	this.params.currentPage -= 1;

	if (this.params.currentPage < 0) this.params.currentPage = 0;
	
	setTimeout( new Function("vWidget.Instances["+this.params.instanceId+"].showImages();") , 1200);
}

vWidget.prototype.showLoading = function()
{
	var obj = this.getWidget();
	
	obj = obj.getElementsByTagName("vwidget-loading");
	
	obj.style.display = "block";
}

vWidget.prototype.hideLoading = function()
{
	var widget = this.getWidget();
	
	var obj = widget.getElementsByTagName("div");
	
	for(i = 0; i < obj.length; i++)
	{
		if (obj[i].getAttribute("id") == "vwidget-loading")
			obj[i].style.display = "none";
	}
}

vWidget.prototype.loadContainer = function()
{
	vWidget.Json.load( this.url + "?" + vWidget.Json.serialize( this.params ) + "container=true" );
};

vWidget.prototype.showContainer = function( obj )
{
	var widget = this.getWidget();

	widget.innerHTML = obj.template;
};

vWidget.prototype.Effect = new Object();

vWidget.prototype.Effect.slideDown = function( widget )
{
	var imgs = widget.getElementsByTagName("div");
	
	for(i = 0; i < imgs.length; i++)
	{
		if (imgs[i].className == "vwidget-text")
			new Effect.Fade(imgs[i]);
	}

	var imgs = widget.getElementsByTagName("canvas");
	
	for(i = 0; i < imgs.length; i++)
	{
		new Effect.Move(imgs[i], { y: -50, mode: 'absolute' });
	}

	var imgs = widget.getElementsByTagName("img");
	
	for(i = 0; i < imgs.length; i++)
	{
		if (imgs[i].getAttribute("name") == "vwidget_thumbnail")
			new Effect.Move(imgs[i], { y: 100, mode: 'absolute' });
			
		if (imgs[i].getAttribute("name") == "vwidget_reflection")
			new Effect.Move(imgs[i], { y: -50, mode: 'absolute' });
	}
}

vWidget.prototype.Effect.slideUp = function( widget )
{
	var imgs = widget.getElementsByTagName("div");
	
	for(i = 0; i < imgs.length; i++)
	{
		if (imgs[i].className == "vwidget-text")
			new Effect.Appear(imgs[i]);
	}

	var imgs = widget.getElementsByTagName("canvas");
	
	for(i = 0; i < imgs.length; i++)
	{
		new Effect.Move(imgs[i], { y: 0, mode: 'absolute' });
	}

	var imgs = widget.getElementsByTagName("img");
	
	for(i = 0; i < imgs.length; i++)
	{
		if (imgs[i].getAttribute("name") == "vwidget_thumbnail")
			new Effect.Move(imgs[i], { y: 0, mode: 'absolute' });
			
		if (imgs[i].getAttribute("name") == "vwidget_reflection")
			new Effect.Move(imgs[i], { y: 0, mode: 'absolute' });
	}
}

	
	if (typeof Prorotype == undefined)
		vWidget.Json.load( vWidgetBaseUrl + "/prototype.js", true );
	
	if (typeof Scriptaculous == undefined)
		vWidget.Json.load( vWidgetBaseUrl + "/scriptaculous.js", true );
	
	vWidget.Json.load( vWidgetBaseUrl + "/image.js", true );
	vWidget.Json.load( vWidgetBaseUrl + "/effects.js", true );
;