/**
 * @author Peter Alexandersson
 */
function ForumList(settings){	
	this.instanceId = ForumList.instances.length;
	this.strRef = 'ForumList.instances[' + this.instanceId + ']';
	ForumList.instances[this.instanceId] = this;
}
//Class static members
ForumList.instances = new Array();
ForumList.eventStack = new Array();

function WebForum(settings){
	//call super class
	ForumList.call(this, settings);
	this.init(settings);
	
}
WebForum.prototype={
	//PROPERTIES =========================================================================================
	className:'WebForum',					//Used by debug alert
	dbUrl:'',								//Url used by ajax request
	contentDiv:'',							//Target div/span id where the forum will appear
	popupDiv:'forumpopup',					//default div/span id where the forum popups will appear
	category:'',							//Filter on category,'' means all categories
	listMode:'T',							//How responses should be displayed T=Threaded, D=strickly after date created
	listStyle:'table',						//Table or list
	currentStart:0,							//which row in servers resultset that we currently display
	totalCount:0,							//total number of matching records in servers resultset
	sortOrder:'D',							//Sort order in view. Valid values are (D)esc, (A)sc
	showSubject:1,							//Should attribute be displayed. 0=Not displayed, 1=Displayed
	showContent:1,							//Should attribute be displayed. 0=Not displayed, 1=Displayed
	showBody:1,								//Should content+image be displayed. 0=Not displayed, 1=Displayed
	showNavigator:1,						//Should attribute be displayed. 0=Not displayed, 1=Displayed
	showSearchBox:0,						//Should attribute be displayed. 0=Not displayed, 1=Displayed
	maxSearchResult:100,					//max records returned from a search
	showReplyLink:1,						//Should attribute be displayed. 0=Not displayed, 1=Displayed
	showNotifyLink:1,						//Should attribute be displayed. 0=Not displayed, 1=Displayed
	notifymessage:'Ett anm\u00E4lan har nu l\u00E4mnats hos ansvarig personal!', //Response message when a notify been sent
	showDate:1,								//Should attribute be displayed. 0=Not displayed, 1=Displayed
	showTime:1,								//Should attribute be displayed. 0=Not displayed, 1=Displayed
	showAuthor:0,							//Should attribute be displayed. 0=Not displayed, 1=Displayed
	showAlias:1,							//Should attribute be displayed. 0=Not displayed, 1=Displayed
	showImage:1,							//Should attribute be displayed. 0=Not displayed, 1=Displayed
	numberOfGenericFields:0,				//Number of generic data fields to display
	generic1Label:'',							//Generic data field label
	generic2Label:'',			  				//Generic data field label
	generic3Label:'',							//Generic data field label
	generic4Label:'',							//Generic data field label
	generic5Label:'',							//Generic data field label
	sendMailOnNewPostFlag:1,				//Should a flag be set on new posts, that can be picked up by a scheduled 'mail-list-of-new-docs' procedure. 0=No, 1=Yes
	imgMaxWidth:100,						//Max image width, if set to zero, the original image size is used.
	imgAttribute:'',						//Additional attribute for embedded topic images, e.i: 'align="left"'
	imgClassName:'forumimage',				//Default forum image class name
	linesToDisplay:10,						//Max number of main topics that we will try to fetch
	postRenderCall:null,					//Custom function to call after a render operation has occurred
	debugLevel:0,							//WSelects debug mode. 0=Off, 1=On, but no alerts, 2=On, with alerts
	debugDiv:'debuginfo',					//Debug div/span id where the debug info will appear
	labelAlias:'<span class="forumresponselabel">Namn</span>',						//Label used in response form
	labelComment:'<span class="forumresponselabel">Kommentar</span>',				//Label used in response form 
	labelMandentory:'<span class="forumasterix">*</span>',							//Label used in response form 
	labelFormTitle:'<div class="forumformtitle">Din kommentar:</div>',			//Label used in response form 
	labelNotifyFormTitle:'<div class="forumformtitle">Anm\u00E4lan av inl\u00E4gg</div>',			//Label used in notify form 
	labelNotifyComment:'<span class="forumresponselabel">Anledning till anm\u00E4lan</span>',			//Label used in notify form 
	lastAction:null,						//Last WebEvent issued
	lastRequestString:'',					//Last AJAX request
	lastResponseString:'',					//Last AJAX response
	searchVal:'ange s\u00F6kord',				//default search value
	drawOptions: {atall:true,searchfield:true,first:true,previous:false,next:false,last:false}, //styr visning av navigator

	//METHODS =============================================================================================
	//===== used to initialize the forum
	init:function(settings){				
		if (settings){
			if (settings.postRenderCall) this.postRenderCall=settings.postRenderCall;
			if (settings.dbUrl) this.dbUrl=settings.dbUrl;
			if (settings.sortOrder) this.sortOrder=settings.sortOrder; 
			if (settings.contentDiv) this.contentDiv=settings.contentDiv;
			if (settings.category) this.category=settings.category;
			if (settings.listMode) this.listMode=settings.listMode;
			if (settings.numberOfDataFields) this.numberOfDataFields=settings.numberOfDataFields;
			if (settings.data1Label) this.data1Label=settings.data1Label;
			if (settings.data2Label) this.data2Label=settings.data2Label;
			if (settings.data3Label) this.data3Label=settings.data3Label;
			if (settings.data4Label) this.data4Label=settings.data4Label;
			if (settings.data5Label) this.data5Label=settings.data5Label;
			if (settings.sendMailOnNewPostFlag!=null) this.sendMailOnNewPostFlag=settings.sendMailOnNewPostFlag; 
			if (settings.showSubject!=null) this.showSubject=settings.showSubject; 
			if (settings.showContent!=null) this.showContent=settings.showContent; 
			if (settings.showBody!=null) this.showBody=settings.showBody; 
			if (settings.showNavigator!=null) this.showNavigator=settings.showNavigator; 
			if (settings.showSearchBox!=null) this.showSearchBox=settings.showSearchBox; 
			if (settings.showReplyLink!=null) this.showReplyLink=settings.showReplyLink; 
			if (settings.showNotifyLink!=null) this.showNotifyLink=settings.showNotifyLink; 
			if (settings.showDate!=null) this.showDate=settings.showDate; 
			if (settings.showTime!=null) this.showTime =settings.showTime;
			if (settings.showAuthor!=null) this.showAuthor =settings.showAuthor; 
			if (settings.showAlias!=null) this.showAlias =settings.showAlias; 
			if (settings.showImage!=null) this.showImage =settings.showImage; 
			if (settings.linesToDisplay) this.linesToDisplay=settings.linesToDisplay;
			if (settings.debugLevel!=null) this.debugLevel=settings.debugLevel; 
			if (settings.debugDiv) this.debugDiv=settings.debugDiv; 
		}	
	},
	//===== Used to send an Ajax request to server to get data
	sendRequest:function(webEvent){			
		if (this.debugLevel==2) alert(this.className+'.sendRequest()');
		var pars;
		var ajaxreq;
		var agentused;
		var fetchObject;
		var targetDiv = this.contentDiv;
		//verify that we have an event
		if (webEvent){
			switch(webEvent.type){
				case WebEvent.EVT_DO_POST_RESPONSE:		//post response event
					targetDiv = webEvent.targetString;
				case WebEvent.EVT_DO_POST:		//post main topic event
					//agentused = 'forumController';
					pars = "task=post&mailflag="+ this.sendMailOnNewPostFlag + webEvent.dataString;
					//alert('pars: '+ pars);
					//ajaxreq = {method:'get', onSuccess:new Function('data', 'ForumList.instances['+this.instanceId+'].recieveData(data)'), parameters: pars, onFailure:this.handleError };
					break;
				case WebEvent.EVT_DO_POST_NOTIFY:		//post notify event
					//agentused = 'forumController';
					pars = "task=notify"+ webEvent.dataString;
					//alert('pars: '+ pars);
					//ajaxreq = {method:'get', onSuccess:new Function('data', 'ForumList.instances['+this.instanceId+'].recieveData(data)'), parameters: pars, onFailure:this.handleError };
					break;
				case WebEvent.EVT_DO_SEARCH:	//fulltext search event 
					fetchObject = webEvent.fetchObject;
					//agentused = 'forumController';
					//pars = "&task=search&cat="+this.category+"&list="+this.listMode +"&start="+fetchObject.start+"&count="+fetchObject.count + "&key="+webEvent.dataString;
					pars = "task=search&cat="+this.category+"&list="+this.listMode +"&start="+fetchObject.start+"&count="+ this.maxSearchResult+ "&key="+webEvent.dataString;
					//ajaxreq = {method:'get', onSuccess:new Function('data', 'ForumList.instances['+this.instanceId+'].recieveData(data)'), parameters: pars, onFailure:this.handleError };
					break;
				case WebEvent.EVT_GET_RESPONSES:	//get responses
					fetchObject = webEvent.fetchObject;
					//agentused = 'forumController';
					targetDiv = webEvent.dataString;
					pars = "&task=response&cat="+webEvent.dataString +"&reqid="+webEvent.dataString+"&list="+this.listMode +"&start="+fetchObject.start+"&count="+fetchObject.count;
					//pars = "task=response&reqid="+webEvent.dataString+"&list="+this.listMode +"&start="+fetchObject.start+"&count="+fetchObject.count;
					//ajaxreq = {method:'get', onSuccess:new Function('data', 'ForumList.instances['+this.instanceId+'].recieveData(data)'), parameters: pars, onFailure:this.handleError };
					break;
				default:						//assumes its a navigation event
					fetchObject = webEvent.fetchObject;
					//agentused = 'forumController'
					//pars = "&task=main&cat="+this.category+"&order="+this.sortOrder+"&list="+this.listMode +"&start="+fetchObject.start+"&count="+fetchObject.count;
					pars = "task=main&cat="+this.category+"&order="+this.sortOrder+"&list="+this.listMode +"&start="+fetchObject.start+"&count="+fetchObject.count;
					//ajaxreq = {method:'get', onSuccess:new Function('data', 'ForumList.instances['+this.instanceId+'].recieveData(data)'), parameters: pars, onFailure:this.handleError };
			}
		} else {
			alert(this.className+'.sendRequest: Missing a valid event object.' );
			return;
		}
		//send request to server
		try{
			this.lastRequestString = pars;
			agentused = 'forumController';
			var url = this.dbUrl+'/' + agentused +'?OpenAgent';
			//alert(url);
			if (typeof jQuery != 'undefined') {
        		// use jQuery style call
				//jQuery.noConflict();
				ajaxreq = {type: "GET",url: url, data: pars, success: new Function('data', 'ForumList.instances['+this.instanceId+'].recieveData(data)')	 }
				//ajaxreq = {method:'get', onSuccess:new Function('data', 'ForumList.instances['+this.instanceId+'].recieveData(data)'), parameters: pars, onFailure:this.handleError };
				//this.lastRequest = jQuery.ajax(ajaxreq);
				this.lastRequest = $.ajax(ajaxreq);
				
			} else {
				//assume prototype.js style call
				ajaxreq = {method:'get', onSuccess:new Function('data', 'ForumList.instances['+this.instanceId+'].recieveData(data)'), parameters: pars, onFailure:this.handleError };
				this.lastRequest = new Ajax.Request(url, ajaxreq);
			}

		}catch (e){
			alert('Kommunikationsproblem med server: ' + e.message + '\nParams: ' + pars);
			location.reload();
		}
		//show progress icon unless it is a notify posting
		if (webEvent.type!=WebEvent.EVT_DO_POST_NOTIFY){
			document.getElementById(targetDiv).innerHTML = '<img src="'+this.dbUrl+'/img/indicator.gif">';
		}
	},
	//===== Callback method for Ajax communication errors
	handleError:function(){					
		if (this.debugLevel==2) alert(this.className+'.handleError()');
		alert('Kommunikationsfel - F\u00E5r ej svar fr\u00E5n AJAX server.')
	},
	//===== Callback method for successfull Ajax response
	recieveData:function(originalRequest){
		var responseText;
		if (this.debugLevel==2) alert(this.className+'.recieveData()');
		//document.getElementById(this.contentDiv).innerHTML = 'Data recieved!';
		//
		if (typeof originalRequest == 'object'){
			responseText = originalRequest.responseText;
		}else{
			responseText = originalRequest;
		}
		//alert('recieveData:' + responseText);
		this.lastResponseString = responseText;
		if (this.debugLevel>0){
			this.printDebug();
		}
		var jsondata;
		try{
			jsondata = eval('(' + responseText + ')')
		}catch(e){
			//alert('catch:' + originalRequest.Status + e.message);
			if (responseText.substring(0,1)=="<"){
				//no JSON object, assumes an html page, probably logged out
				location.reload(true);
			} else {
				//something wrong in the viewdata
				alert('Problem with view data:' + e.message);
			}
		}	
		if (jsondata){
			switch(jsondata.task){
				case 'post':
					if (jsondata.parentunid==''){
						//main topic - refresh
						this.handleMainSubmit(jsondata);
					} else {
						//response topic - only refresh the reponse list
						this.handleResponseSubmit(jsondata);
					}
					break;
				case 'notify':
					alert(this.notifymessage);
					break;
				default:
					//a normal view/list response/search result
					if (jsondata.task=='search'&& jsondata.countdelivered==0){
						alert('Inget i databasen motsvarade din s\u00F6kning!');
						this.firstClicked();
					}
					//alert('going to render:' + originalRequest.responseText);
					var dh = new WebDataHolder( {data:jsondata} );
					dh.setStart(jsondata.start);
					dh.setTotalCount(jsondata.total);
					dh.setResultCount(jsondata.countdelivered);
					this.calcRedraw(dh,true);
					this.render(jsondata);;
			}
		}
		
	},
	//===== Render the forum view data to HTML code
	render:function(view){					
		if (this.debugLevel==2) alert(this.className+'.render()');
		var html='';
		var isResponseList = false;
		var targetDiv = this.contentDiv;
		if (!view){
			html = 'Invalid data:'+ this.toString(view);
			document.getElementById(this.contentDiv).innerHTML = html;
			return false;
		} 
		if (view.error) {
			alert(' view_error');
			this.show_error(view.error);
		}
		//check if other than default target is to be used, e.i response list update
		if (view.reqid!='' && view.reqid!='null') isResponseList = true;
		//build the table
		//var tablewidth = document.getElementById(this.contentDiv).clientWidth - 10;
		var tablewidth = "100%";
		var html_header;
		var html_footer;
		var html_mainrecstart;
		var html_mainrecend;
		if (this.listStyle=='list'){
			html_header='<ul class="forumlist">';
			html_footer='</ul>';
			html_mainrecstart='<li>';
			html_mainrecend='</li>';
		} else {
			html_header='<table width="' + tablewidth + '" border="0" class="forumtable">';
			html_footer='</table>';
			html_mainrecstart='<tr><td valign="top">';
			html_mainrecend='</td></tr>';
		}
		//alert('debug:' + view.total);
		if (view.total > 0){
			//print entries
			//process all entries in view
			try{
				var processedResponses = false;
				for (var entryidx=0; entryidx<view.entries.length; entryidx++){
					//alert('Inside renderData: '+entryidx + '-'+view.entries.length);
					var entry =view.entries[entryidx];
					if (!entry._unid){return}; //no document=must be end of the view
					var strUnid =entry._unid;
					var strUrl = this.dbUrl+'/vunid/'+ strUnid +'?OpenDocument' ;
					var strTopicId = entry.columns[0];
					var strSubject = entry.columns[1];
					var strSubjectLink = '<a href="#" class="forumtopiclink" title="Klicka f\u00F6r att \u00F6ppna i eget f\u00F6nster..." onclick="WebForum.openWindow(\''+ strUrl+'\',\'wnd'+strUnid+'\',640,480)">' + strSubject +'</a>'
					var strContent = entry.columns[2];
					var strAuthor = entry.columns[3];
					var strAlias = entry.columns[4];
					var strDate = entry.columns[5];
					var strTime = entry.columns[6];
					var strIsResponse = entry.columns[7];
					var strParentUnid = entry.columns[8];
					if (strIsResponse !='true') strParentUnid = strUnid;
					var strFile = entry.columns[9];
					var strData1 = entry.columns[11];
					var strData2 = entry.columns[12];
					var strData3 = entry.columns[13];
					var strData4 = entry.columns[14];
					var strData5 = entry.columns[15];
					var strImageUrl = (strFile==''||strFile==undefined)?'':this.dbUrl+'/vunid/'+ strUnid +'/$File/'+strFile+'?OpenElement' ;
					//var strResponseDiv = strUnid.substr(-8,8);
					var strToggle = '<a href="#" class="forumtoggle" title="Visa eller d\u00F6lj ev. svar p\u00E5 inl\u00E4gget." onclick="ForumList.instances['+this.instanceId+'].toggleDisplay(\''+ strUnid + '\',false);return false;" ><img src="'+this.dbUrl+'/img/plus.gif" id="img'+strUnid +'" align="top" border="0"></a>';
					if (this.listMode!='T') strToggle='';
					//check if other than default target is to be used, e.i response list update
					if (isResponseList){
						//response list rendering. Updates a div with the same id as the parent UNID.
						html+= '  <div class="forumresponse">' ;
						html+= '     <div class="forumsubject">'+ strSubjectLink + '<div class="forumtopictoolbar">';
						html+= this.getReplyLinkHtml(strParentUnid,strSubject,view);
						html+= this.getNotifyLinkHtml(strParentUnid,strTopicId,strSubject);
						html+= ' </div></div>';
						html+= this.getTopicBodyHtml(strContent,strAuthor,strAlias,strDate,strTime,strIsResponse,strImageUrl);
						html+= this.getTopicGenericDataHtml(strData1,strData2,strData3,strData4,strData5);
						html+= '  </div>  <!-- close response -->' ;
					} else {
						//normal rendering
						html+= html_mainrecstart;
						html+= '  <div class="forumtopic">' ;
						html+= '     <div class="forumsubject">'+ strToggle +' '+ strSubjectLink + '<div class="forumtopictoolbar">';
						//html+= this.getReplyLinkHtml(strUnid,strSubject);
						html+= this.getReplyLinkHtml(strParentUnid,strSubject,view);
						html+= this.getNotifyLinkHtml(strParentUnid,strTopicId,strSubject);
						html+= '</div></div>';
						html+= this.getTopicBodyHtml(strContent,strAuthor,strAlias,strDate,strTime,strIsResponse,strImageUrl);
						html+= this.getTopicGenericDataHtml(strData1,strData2,strData3,strData4,strData5);
						html+= '  <div class="forumresponslist" id="'+ strUnid + '" style="display:none;"></div>';
						html+= '  </div> <!-- close topic -->';
						html+= html_mainrecend
					}


													
				} //end for-loop
			} catch(e){ alert(e.message)}
		} //end view.total
		else {
			if (isResponseList)	html = '<div class="forumresponse"><p class="forum_nodata">Det finns inga kommentarer till detta inl\u00E4gg.</p></div>';
			else	html = '<div class="forumtopic"><p class="forum_nodata">Ingen data finns att visa.</p></div>'
			
		}
		//alert('html:' + html);
		//update contentDiv
		if (isResponseList){
			targetDiv = view.reqid;
			document.getElementById(targetDiv).innerHTML = html;
		} else {
			var navDiv = '<div class="forumnavigator">' + this.getNavHtml(this.drawOptions, view) + '</div>';
			var popupDiv = '<div id="'+ this.popupDiv +'" class="hiddenResponseForm" ></div>';
			document.getElementById(targetDiv).innerHTML = html_header + '<tbody id="table-view-body">' + html+ '</tbody>' + html_footer + navDiv+popupDiv;
		}
				
		//perform any post render call
		try{
			//alert('postRenderCall: '+ this.postRenderCall)
			if (this.postRenderCall) this.postRenderCall();
		} catch(e){}

		//return status
		return true;
		
		
	},
	//===== Resends the last request to server
	refresh:function(){						
		if (this.debugLevel==2) alert(this.className+'.refresh()');

		//check if first time its called
		if (this.lastAction==null){
			this.firstClicked();
		} else {
			this.sendRequest(this.lastAction);
		}
		
	},
	//===== Generates a reply link html code
	getReplyLinkHtml:function(strParentUnid, strSubject, jsondata){
		if (this.listMode!='T' || jsondata.task=='search') return ''; //only display replylink if Threaded view
		var url='';
		var rethtml='';
		if (this.showReplyLink){
			url = this.dbUrl+'/ForumResponseTopic?openform&parentunid='+strParentUnid + '&subject='+escape( strSubject );
			rethtml+= '&nbsp;<a href="#" onclick="ForumList.instances['+this.instanceId+'].showResponseForm(\''+strParentUnid + '\',event);return false;" class="forumreplylink">'
			rethtml+= '<img src="'+this.dbUrl+'/newtopic1.gif" border="0" title="Svara p\u00E5 inl\u00E4gg">'
			rethtml+= '</a>'
		}
		return rethtml;
	},
	//===== Generates a notify link html code
	getNotifyLinkHtml:function(strParentUnid,strTopicId, strSubject){
		var rethtml='';
		if (this.showNotifyLink){
			//rethtml+= '&nbsp;<a href="#" onclick="alert(\'Ej implementerat \u00E4n!\')" class="forumnotifylink">'
			rethtml+= '&nbsp;<a href="#" onclick="ForumList.instances['+this.instanceId+'].showNotifyForm(\''+strParentUnid + '\',\''+strTopicId + '\',\''+escape(strSubject) + '\',event);return false;" class="forumreplylink">'
			rethtml+= '<img src="'+this.dbUrl+'/exclamation.gif" border="0" title="Anm\u00E4l inl\u00E4gget!">'
			rethtml+= '</a>'
		}
		return rethtml;
	},
	//===== Navigation - Get first page
	firstClicked:function(htmlElem){		
		if (this.debugLevel==2) alert(this.className+'.firstClicked()');
		var fetchObj = this.calcRange(WebEvent.EVT_GET_FIRST);
		var navEvent= new WebEvent({type:WebEvent.EVT_GET_FIRST,fetchObject:fetchObj,srcObject:this});
		this.lastAction = navEvent;
		this.sendRequest(navEvent);
	},
	//===== Navigation - Get next page
	nextClicked:function(){					
		if (this.debugLevel==2) alert(this.className+'.nextClicked()');
		var fetchObj = this.calcRange(WebEvent.EVT_GET_NEXT);
		var navEvent=new WebEvent({type:WebEvent.EVT_GET_NEXT,fetchObject:fetchObj,srcObject:this});
		this.lastAction = navEvent;
		this.sendRequest(navEvent);
	},
	//===== Navigation - Get previous page
	previousClicked:function(){				
		if (this.debugLevel==2) alert(this.className+'.previousClicked()');
		var fetchObj = this.calcRange(WebEvent.EVT_GET_PREVIOUS);
		var navEvent=new WebEvent({type:WebEvent.EVT_GET_PREVIOUS,fetchObject:fetchObj,srcObject:this});
		this.lastAction = navEvent;
		this.sendRequest(navEvent);
	},
	//===== Navigation - Get last page
	lastClicked:function(){					
		if (this.debugLevel==2) alert(this.className+'.lastClicked()');
		var fetchObj = this.calcRange(WebEvent.EVT_GET_LAST);
		var navEvent=new WebEvent({type:WebEvent.EVT_GET_LAST,fetchObject:fetchObj,srcObject:this});
		this.lastAction = navEvent;
		this.sendRequest(navEvent);
	},
	//===== Fetch responses - Get all responses ============================================
	getResponsesClicked:function(unidToParent){					
		if (this.debugLevel==2) alert(this.className+'.getResponsesClicked("'+ unidToParent +'"');
		var fetchObj = new WebFetchObject({start:1,end:999,count:999});
		var navEvent=new WebEvent({type:WebEvent.EVT_GET_RESPONSES,dataString:unidToParent,fetchObject:fetchObj,srcObject:this});
		this.lastAction = navEvent;
		this.sendRequest(navEvent);
	},
	//===== Submit a topic
	submitTopic:function(strPostData, unidToParent){					
		if (this.debugLevel==2) alert(this.className+'.post("'+ strPostData +'","'+ unidToParent +'"');
		var navEvent;
		if (unidToParent!=''){
			strPostData += '&parentunid='+ unidToParent;
			navEvent=new WebEvent({type:WebEvent.EVT_DO_POST_RESPONSE,targetString:unidToParent,dataString:strPostData,fetchObject:null,srcObject:this});
		} else {
			navEvent=new WebEvent({type:WebEvent.EVT_DO_POST,dataString:strPostData,fetchObject:null,srcObject:this});

		}
		//this.lastAction = navEvent; //we don't want do resend a posting...
		this.sendRequest(navEvent);
	},
	//===== Submit a notify
	submitNotify:function(strPostData, unidToParent){					
		if (this.debugLevel==2) alert(this.className+'.post("'+ strPostData +'","'+ unidToParent +'"');
		var navEvent;
		if (unidToParent!=''){
			strPostData += '&parentunid='+ unidToParent;
		}
		navEvent=new WebEvent({type:WebEvent.EVT_DO_POST_NOTIFY,targetString:unidToParent,dataString:strPostData,fetchObject:null,srcObject:this});
		//this.lastAction = navEvent; //we don't want do resend a posting...
		this.sendRequest(navEvent);
	},
	//===== Do a search view
	searchTriggered:function(e,srcElem){	
	    var keynum;	
		try{
			if(window.event) keynum = e.keyCode; // IE
			else if(e.which) keynum = e.which; // Netscape/Firefox/Opera
  			if(keynum==13){
				this.searchVal = (srcElem.value !=null) ? (srcElem.value):'' ;
					if (this.debugLevel==2)alert(this.className+'.searchTriggered:' + this.searchVal);
					var fo = new WebFetchObject({start:1,end:this.linesToDisplay,count:this.linesToDisplay});
					var navEvent=new WebEvent({type:WebEvent.EVT_DO_SEARCH,dataString:this.searchVal,srcObject:this,fetchObject:fo});
					this.lastAction = navEvent;
					this.sendRequest(navEvent);
					srcElem.value = '';
			}	
		} catch (e){
			alert('Error: '+ e.message);
		}
	},
	calcRedraw:function(resObj, success){
		//alert('in calc redraw');
		
		var type = 	(this.lastAction) ? this.lastAction.type : WebEvent.EVT_GET_FIRST; 
			
		switch(type){
				case WebEvent.EVT_GET_FIRST:
				case WebEvent.EVT_GET_PREVIOUS:
				case WebEvent.EVT_GET_NEXT:
				case WebEvent.EVT_GET_LAST:
				case WebEvent.EVT_DO_SEARCH:
					//alert('in calcRedraw get first ');
					//alert('totalCount before = ' + this.totalCount + ', currentStart before = ' + this.currentStart + ', currentEnd before = ' + this.currentEnd);
					if(this.lastAction){
						//alert('lastAction fetchobject.start = ' + this.lastAction.fetchObject.start);
					}
					//set max
					this.totalCount = (resObj) ? resObj.totalCount : this.totalCount;

					//set cStart
					//this.currentStart = (this.lastAction) ? this.lastAction.fetchObject.start :1;
					this.currentStart = (resObj.start) ? resObj.start : 1;

					//set cEnd
					//this.currentEnd = (this.lastAction) ? this.lastAction.fetchObject.end : ((resObj) ? resObj.count :this.linesToDisplay); 
					this.currentEnd = (resObj.start) ? (resObj.start + resObj.count)-1 :this.linesToDisplay; 

					//draw navigator
					//alert('totalCount after = ' + this.totalCount + ', currentStart after = ' + this.currentStart + ', currentEnd after = ' + this.currentEnd);
					
					this.drawOptions.previous = this.drawOptions.first = (!(this.currentStart <= 1));
					this.drawOptions.next = this.drawOptions.last = (!(this.currentEnd >= this.totalCount));
					
					//this.draw();
					break;
				default:
					break;
			}			
	},
	

	calcRange:function(action){
		var retObj = new WebFetchObject({});
		
		//alert('1. PRIOR CALC: fetchObject in Navaigator currentStart = ' + this.currentStart + ',linesToDisplay = ' + this.linesToDisplay+ ',totalCount = ' + this.totalCount);
		switch(action){
			case WebEvent.EVT_GET_FIRST:
				retObj.start = 1;
				//retObj.end = Math.min(retObj.start + this.linesToDisplay -1, this.totalCount);
				retObj.end = this.linesToDisplay;
				retObj.count = this.linesToDisplay; 
				break;
			case WebEvent.EVT_GET_PREVIOUS:
				retObj.start = Math.max(1,this.currentStart - this.linesToDisplay);
				retObj.end = Math.min(retObj.start + this.linesToDisplay - 1, this.totalCount)
				retObj.count = this.linesToDisplay; 
				break;
			case WebEvent.EVT_GET_NEXT:
				retObj.start = Math.min(this.currentStart + this.linesToDisplay, this.totalCount);
				retObj.end = Math.min(retObj.start + this.linesToDisplay - 1, this.totalCount);
				retObj.count = Math.min((this.totalCount-retObj.start)+1, this.linesToDisplay); 
				break;
			case WebEvent.EVT_GET_LAST:
				retObj.start = Math.max(1, this.totalCount - this.linesToDisplay + 1);
				retObj.end = this.totalCount;
				retObj.count = Math.min((this.totalCount-retObj.start)+1, this.linesToDisplay); 
				break;
			default:
				break;
		}		
		return retObj;
		  
	},
	//===== Generates the html code for a topic entry
	getTopicBodyHtml:function(strContent,strAuthor,strAlias,strDate,strTime,strIsResponse,strImageUrl){
		var imgtag='';
		var mozMinHeight=''; //fix for handling images flowing over to topic below
		var retHtml='     <p>';
		if (this.showImage){
			if (strImageUrl!=''){
				var x=new Image;
				var scalefactor;
				var ih;
				var imgstyle;
				x.src=strImageUrl;
				if (this.imgMaxWidth!=0){
					//adjust image size
					scalefactor=x.width/this.imgMaxWidth;
					ih=x.height/scalefactor;
					imgstyle ='style="height:'+ ih +'px;width:'+ this.imgMaxWidth +'px;"';
				}else{
					//use actual size
					ih=x.height;
				}
				mozMinHeight='min-height:'+ih+ 'px';
				imgtag ='<img src="'+ strImageUrl+ '" class="'+ this.imgClassName+ '" '+ imgstyle+ ' '+ this.imgAttribute +' />';
			}
		} 
		if (this.showDate) retHtml+= '     <span class="forumdate">'+ strDate + ' ' + strTime + '</span>';
		if (this.showAuthor) retHtml+= '     <span class="forumauthor">'+ strAuthor+ '</span>';
		if (this.showAlias) retHtml+= '     <span class="forumalias">av \''+ strAlias+ '\'</span>';
		retHtml+= '     </p>';
		if (!this.showContent) strContent=''; //clear content string if not to be displayed
		if (this.showBody) retHtml+= '     <p class="forumcontent" style="'+mozMinHeight+'">'+imgtag+  strContent + '</p>';
		return retHtml;
	},
	//===== Generates the html code for a topic entry
	getTopicGenericDataHtml:function(strData1,strData2,strData3,strData4,strData5){
		var retHtml='';
		if (this.numberOfGenericFields>0){
			retHtml+= '<table width="100%" class="forumgenericdatatable">';
			retHtml+= '<tr><td class="forumgenericlabel">' + this.generic1Label + '</td><td class="forumgenericdata">' + strData1 + '</td></tr>';
			if (this.numberOfGenericFields>1){
				retHtml+= '<tr><td class="forumgenericlabel">' + this.generic2Label + '</td><td class="forumgenericdata">' + strData2 + '</td></tr>';
			}
			if (this.numberOfGenericFields>2){
				retHtml+= '<tr><td class="forumgenericlabel">' + this.generic3Label + '</td><td class="forumgenericdata">' + strData3 + '</td></tr>';
			}
			if (this.numberOfGenericFields>3){
				retHtml+= '<tr><td class="forumgenericlabel">' + this.generic4Label + '</td><td class="forumgenericdata">' + strData4 + '</td></tr>';
			}
			if (this.numberOfGenericFields>4){
				retHtml+= '<tr><td class="forumgenericlabel">' + this.generic5Label + '</td><td class="forumgenericdata">' + strData5 + '</td></tr>';
			}
			retHtml+= '</table>';
		}
		return retHtml;
	},
	//===== Prints dubug information
	printDebug:function() {
		try{
			var divDebug = document.getElementById(this.debugDiv);
			var html = '<div id="debugrequest">LAST REQUEST:<br />' + this.lastRequestString + '</div><br />';
			html +='<div id="debugresponse">LAST RESPONSE:<br />' + this.getNiceOutput(this.lastResponseString) + '</div>';
			divDebug.innerHTML = html;
		} catch(e){}
	},
	//===== converts cr's to html <br>
	getNiceOutput:function(str) {
		var newstr=''; 
		var re = /\r/gi;
		newstr = str.replace(re,'<br />');
		return newstr;
		
	},
	//==== toggle to show responses, if they havent been loaded already the method will do so
	toggleDisplay:function(nr, forceReload){
		if (this.debugLevel==2) alert(this.className+'.toggleDisplay("'+ nr +'"');
		var container;
		var linkimg;
		try{
			//toggle display
			if (document.layers)
			{
				linkimg =document.layers['img'+nr];
				container = document.layers[nr];
				var current = (document.layers[nr].display == 'none'||forceReload) ? 'block' : 'none';
				document.layers[nr].display = current;
			}
			else if (document.all)
			{
				linkimg =document.all['img'+nr];
				container = document.all[nr];
				var current = (document.all[nr].style.display == 'none'||forceReload) ? 'block' : 'none';
				document.all[nr].style.display = current;
			}
			else if (document.getElementById)
			{
				linkimg =document.getElementById('img'+nr);
				container = document.getElementById(nr);
				var vista = (document.getElementById(nr).style.display == 'none'||forceReload) ? 'block' : 'none';
				document.getElementById(nr).style.display = vista;
			}
			//toggle image in link			
			if (linkimg){
				//alert(linkimg.src.slice(-8));
				if (linkimg.src.slice(-8)=='plus.gif'||forceReload){
					linkimg.src=this.dbUrl+'/img/minus.gif';
				} 
				else linkimg.src=this.dbUrl+'/img/plus.gif';
			}
			//check if the container contains any data otherwise load response data
			if (container.innerHTML==''||forceReload) this.getResponsesClicked(nr);
		}
		catch(e){}
	},
	//==== returns html for the navigator
	getNavHtml:function(obj, jsondata){
		var html='';
		if (jsondata.task=='search'){
			//we don't show any navigation on search
			if (jsondata.countdelivered==this.maxSearchResult) html+='S\u00F6kresultatet har en begr\u00E4nsning p\u00E5 max. ' + this.maxSearchResult + ' poster.<br/>' ;
			html+='<a href="#" onclick="location.reload();">Klicka h\u00E4r f\u00F6r att \u00E5terg\u00E5.</a>'
			return html;
		}
		if (this.totalCount>0){
			if (this.showNavigator){
				//First link
				html+= (obj.first) ? '<a href="#" onclick="ForumList.instances['+this.instanceId+'].firstClicked(this);"><img src="'+this.dbUrl+'/first.gif" border="0" title="F\u00F6rsta sidan"></a>&nbsp;' : '<img src="'+this.dbUrl+'/first_disabled.gif" border="0">&nbsp;';
				//Previous link
				html+= (obj.previous) ? '<a href="#" onclick="ForumList.instances['+this.instanceId+'].previousClicked(this);"><img src="'+this.dbUrl+'/prev.gif" border="0" title="F\u00F6reg\u00E5ende sida"></a>' : '<img src="'+this.dbUrl+'/prev_disabled.gif" border="0">';
				//Navigator text getTranslation 
				try{
					html+= '&nbsp;'  +WebForum.STRING_SHOWING_ENTRIES + '&nbsp;'  + this.currentStart + '&nbsp;' + WebForum.STRING_VIEW_TO+'&nbsp;' + this.currentEnd + '&nbsp;'+WebForum.STRING_VIEW_OF+'&nbsp;' + this.totalCount+'&nbsp;';
					//html+= '<span id=\"viewnav_ShowingEntries\"></span>&nbsp;'  + this.currentStart + '&nbsp;<span id="viewnav_To"></span>&nbsp;' + this.currentEnd + '&nbsp;<span id="viewnav_Of"></span>&nbsp;' + this.totalCount;
				}catch(e){}
				//Next link
				html+= (obj.next) ? '<a href="#" onclick="ForumList.instances['+this.instanceId+'].nextClicked(this);"><img src="'+this.dbUrl+'/next.gif" border="0" title="N\u00E4sta sida"></a>' : '<img src="'+this.dbUrl+'/next_disabled.gif" border="0">';
				//Last link
				html+= (obj.last) ? '&nbsp;<a href="#" onclick="ForumList.instances['+this.instanceId+'].lastClicked(this);"><img src="'+this.dbUrl+'/last.gif" border="0" title="Sista sidan"></a>' : '<img src="'+this.dbUrl+'/last_disabled.gif" border="0">';
			}
			//Search field
			if (this.showSearchBox==1){
				var srchbuttons ='';
				html+= (obj.searchfield) ? '<div class="forumsearchbox">'+ WebForum.STRING_NAV_SEARCH +'&nbsp;'  +  '<input type="text" class="forum_search_input" id="ForumSearchVal" value="" onkeypress="ForumList.instances['+this.instanceId+'].searchTriggered(event,this)" /></div>' : '<div class="st_nav_no_search"></div>';
			}
		} else {
			html+= '<span id="viewnav_NothingToShow"></span>'
		}
			
		return html;
	},
	//==== returns html for the notify form
	showNotifyForm:function(strParentUnid,strTopicId, strSubject, evt){
		var html='';
		var posX;
		var posY;
		if(evt.x)posX=evt.x+document.documentElement.scrollLeft;
		if (posX==0){
			if(evt.pageX)posX=evt.pageX;
		}
		if(evt.y)posY=evt.y+document.documentElement.scrollTop;
		if (posY==0){
			if(evt.pageY)posY=evt.pageY;
		}
		html+='<form method="get" id="notifyform" name="notifyform" action="javascript:ForumList.instances['+this.instanceId+'].validateResponse(\'notifyform\');return false;">';
		html+= this.labelNotifyFormTitle;
		html+='<table>';
		html+='<tr><td>Avser anm\u00E4lan av ['+unescape(strSubject)+']</td></tr>';
		html+='<tr><td>'+this.labelAlias+'&nbsp;'+this.labelMandentory+'</td></tr>';
		html+='<tr><td><input type="text" id="alias" name="alias" size="40" /></td></tr>';
		html+='<tr><td valign="top">'+this.labelNotifyComment+'&nbsp;'+this.labelMandentory+'</td></tr>';
		html+='<tr><td valign="top"><textarea id="content" rows="5" cols="30"  name="content" ></textarea></td></tr>';
		html+='<tr style="display:none;"><td><input type="text" id="unid" name="unid" value="'+strParentUnid+'" />';
		html+='<input type="text" id="topicid" name="topicid" value="'+strTopicId+'" />';
		html+='<input type="text" id="subject" name="subject" value="'+strSubject+'" /></td></tr>';
		html+='<tr><td>&nbsp;<input type="button" id="saveresponsebutton" value="Spara" onclick="ForumList.instances['+this.instanceId+'].validateResponse(\'notifyform\')" />&nbsp;';
		html+='<input type="button" id="cancelresponsebutton" value="Avbryt" onclick="document.getElementById(\''+this.popupDiv+'\').className=\'hiddenResponseForm\';"/></td></tr>';
		html+='</table>';
		html+='</form>';
		try {
			var popupDiv = document.getElementById(this.popupDiv);
			popupDiv.innerHTML = html;
			popupDiv.className = 'visibleResponseForm';
			var popupStyle = WebForum.getStyleObject(this.popupDiv);
			var w=popupStyle.width;
	   		var h=popupStyle.height;
			var l;
			var t
	   		if (!w) w=400;
			if (!h) h=280;
			if(posX!=0)	l=posX-w;
			if(posY!=0)	t=posY-h;
			if (l<0 || t<0){
				l=200;
				t=200;
			}
			WebForum.moveDiv(this.popupDiv,l,t);
		} catch (e){
			alert('Ett fel har uppst\u00E5tt i popupDiv: ' + e.message);
		}
		return true;
	},
	//==== returns html for the response form
	showResponseForm:function(strParentUnid,evt){
		var html='';
		var posX;
		var posY;
		if(evt.x)posX=evt.x+document.documentElement.scrollLeft;
		if (posX==0){
			if(evt.pageX)posX=evt.pageX;
		}
		if(evt.y)posY=evt.y+document.documentElement.scrollTop;
		if (posY==0){
			if(evt.pageY)posY=evt.pageY;
		}
		html+='<form method="get" id="responsform" name="responsform" action="javascript:ForumList.instances['+this.instanceId+'].validateResponse(\'responsform\');return false;">';
		html+= this.labelFormTitle;
		html+='<table>';
		html+='<tr><td>'+this.labelAlias+'&nbsp;'+this.labelMandentory+'</td></tr>';
		html+='<tr><td><input type="text" id="alias" name="alias" size="40" /></td></tr>';
		html+='<tr><td valign="top">'+this.labelComment+'&nbsp;'+this.labelMandentory+'</td></tr>';
		html+='<tr><td valign="top"><textarea id="content" rows="5" cols="30"  name="content" ></textarea></td></tr>';
		html+='<tr style="display:none;"><td><input type="text" id="unid" name="unid" value="'+strParentUnid+'" /></td></tr>';
		html+='<tr><td><br/>&nbsp;<input type="button" id="saveresponsebutton" value="Spara" onclick="ForumList.instances['+this.instanceId+'].validateResponse(\'responsform\')" />&nbsp;';
		html+='<input type="button" id="cancelresponsebutton" value="Avbryt" onclick="document.getElementById(\''+this.popupDiv+'\').className=\'hiddenResponseForm\';"/></td></tr>';
		html+='</table>';
		html+='</form>';
		try {
			var popupDiv = document.getElementById(this.popupDiv);
			popupDiv.innerHTML = html;
			popupDiv.className = 'visibleResponseForm';
			var popupStyle = WebForum.getStyleObject(this.popupDiv);
			var w=popupStyle.width;
	   		var h=popupStyle.height;
			var l;
			var t
	   		if (!w) w=400;
			if (!h) h=280;
			if(posX!=0)	l=posX-w;
			if(posY!=0)	t=posY-h;
			if (l<0 || t<0){
				l=200;
				t=200;
			}
			WebForum.moveDiv(this.popupDiv,l,t);
		} catch (e){
			alert('Ett fel har uppst\u00E5tt i popupDiv: ' + e.message);
		}
		return true;
	},
	validateResponse:function(frmType){
		try{
			var f = document.forms[frmType];
			if (frmType=='notifyform'){
			}
			var strAlias = f.alias.value;
			var strContent = f.content.value;
			var strParentUnid = f.unid.value;
			if (strAlias==''||strContent==''){
				alert('Obligatoriska uppgifter saknas!\nFyll i dessa uppgifter och f\u00F6rs\u00F6k igen.');
				return false;
			}
			var frmdata = WebForum.getFormData(f);
			//alert('this.popupDiv:' + this.popupDiv);
			document.getElementById(this.popupDiv).className='hiddenResponseForm';
			if (frmType=='notifyform'){
				this.submitNotify(frmdata,strParentUnid);
			} else{
				this.submitTopic(frmdata,strParentUnid);
			}
			return true;
		} catch(e){
			alert('Ett fel uppstod vid validering. Felmeddelande:' + e.message);	
			document.getElementById(this.popupDiv).className='hiddenResponseForm';
			return false;
		}
		return result;
	},

	//==== returns html for the notify form
	getNotifyFormHtml:function(obj){
		var html='';
			
		return html;
	}
	
	
} //end of class WebForum

//class constants & static methods
WebForum.STRING_NAV_SEARCH = 'S&ouml;k i forumet';
WebForum.STRING_SHOWING_ENTRIES = 'Visar inl\u00E4gg';
WebForum.STRING_VIEW_TO = 'till';
WebForum.STRING_VIEW_OF = 'av totalt';
WebForum.openWindow = function(url,wndname,width,height){
		var hwnd=null;
		hwnd = window.open(url,wndname,'toolbar=0,menubar=0,resizable=1,width='+ width + ',height=' +height);
		hwnd.moveTo(screen.width/2-(width/2),screen.height/2-(height/2));
		return hwnd;
	}
WebForum.getFormData = function(frm){
	var formdata='';
	try{
		for(i=0;i < frm.length;i++){
			var strType = frm.elements[i].type.toLowerCase();
			var strName = frm.elements[i].name.toLowerCase();
			if (strType=='text'||strType=='textarea'||strType=='hidden'){
				formdata += '&'+ strName + '=' + encodeURIComponent(frm.elements[i].value);
			}
			//alert('tag:'+frm.elements[i].tagName +'type:'+frm.elements[i].type + ', name:'+ frm.elements[i].name+ ', value:'+ frm.elements[i].value);
		}			
		return formdata;
	} catch(e){
		return '';
	}
}
WebForum.getStyleObject = function(objectId) {
    // cross-browser function to get an object's style object given its
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
}
WebForum.moveDiv = function(objectId, left, top){
  var the_style = WebForum.getStyleObject(objectId);
  if (document.layers)
  {
    the_style.left = left;
    the_style.top = top;
  }
  else 
  {
    the_style.left = left + "px";
    the_style.top = top + "px";  
  }
}


function WebFetchObject(settings){
	this.start = (settings.start) ? settings.start : 0;
	this.end = (settings.end) ? settings.end : 0;
	this.count = (settings.count) ? settings.count : 0;
} 
//==== used to signal events
function WebEvent(settings){
	this.type = (settings.type) ? settings.type :0; // type of event one of WebEvent constants
	this.dataString = (settings.dataString) ? settings.dataString :null; // the search/post string
	this.targetString = (settings.targetString) ? settings.targetString :null; // optional target for event
	this.srcObject = (settings.srcObject) ? settings.srcObject :null; // the object that generated the event
	this.fetchObject = (settings.fetchObject) ? settings.fetchObject :null; //Data range to request (WebFetchObject)
}
//Class Constants
WebEvent.EVT_GET_FIRST = 1;
WebEvent.EVT_GET_NEXT = 2;
WebEvent.EVT_GET_PREVIOUS = 3;
WebEvent.EVT_GET_LAST = 4;
WebEvent.EVT_DO_SEARCH = 5;
WebEvent.EVT_GET_RESPONSES = 6;
WebEvent.EVT_DO_POST = 7;
WebEvent.EVT_DO_POST_RESPONSE = 8;
WebEvent.EVT_DO_POST_NOTIFY = 9;

//=== used to carry data between objects
function WebDataHolder(settings){
	this.data = (settings.data) ? settings.data : null; 	
}
WebDataHolder.prototype ={
	start:1,
	totalCount:0,
	count:0,
	data:null,

	setStart:function(s){
		this.start=s;
	},
	getStart:function(){
		return this.start;
	},
	setTotalCount:function(count){	
		//this.totalCount = funcToCalcCount(arglist);
		this.totalCount = count;
	},
	
	getTotalCount:function(){
		return this.totalCount;
	},
		
	setResultCount:function(count){
		//this.count = funcGetResultCount(argList);
		this.count =(count) ? count:0; 
	},
	getResultCount:function(){
		return this.resultCount;
	},
	
	setData:function(dataObj){
		this.data = dataObj;
	}
}

//==== File upload control
function WebImageUpload(settings){
	//call super class
	ForumList.call(this, settings);
	if (settings){
		if (settings.dbUrl) this.dbUrl=settings.dbUrl;
		if (settings.contentDiv) this.contentDiv=settings.contentDiv;
		if (settings.linkButtonCode) this.linkButtonCode=settings.linkButtonCode;
	}	
}
WebImageUpload.prototype ={
	dbUrl:null,
	contentDiv:null,
	noFileSelectedHtml:'H&auml;mta bildfil',
	linkButtonCode:'',
	refresh:function(){
		var uploadContainer = document.getElementById(this.contentDiv);
		var iHtml = '<span valign="top" id="' + this.contentDiv+ '_filename">'+ this.noFileSelectedHtml+'</span><span class="uploadspacer"></span>';
		iHtml += '<input type="hidden" id="' + this.contentDiv+ '_fileid" value="" />';
		if (this.linkButtonCode=='') this.linkButtonCode='<img src="'+this.dbUrl+'/img/folder.gif" valign="top" border="0">';
		iHtml +='<a href="#" onclick="ForumList.instances['+this.instanceId+'].selectFileDialogbox()" title="V\u00E4lj bild">'+ this.linkButtonCode+'</a>'
		uploadContainer.innerHTML = iHtml;
	},
	selectFileDialogbox:function(){
		var w=410;
		var h=120;
		hWnd=window.open(dbUrl +'/fileupload?openform&target='+ this.contentDiv,'selectFileDialogbox','toolbar=0,status=0,menubar=0,resizable=1,width='+w+',height='+h);
		hWnd.moveTo(screen.width/2-(w/2),screen.height/2-(h/2))
	},
	getFileId:function(){
		try{
			var uploadId = document.getElementById(this.contentDiv+'_fileid');
			if (uploadId) return uploadId.value;
			else return '';
		} catch(e){
			return '';
		}
	}, 
	clear:function(){
		try{
			document.getElementById(this.contentDiv+'_fileid').value='';
			document.getElementById(this.contentDiv+'_filename').value='';
		}catch(e){}
	}
}