// FCKeditor Class
var FCKeditor=function(instanceName,width,height,toolbarSet,value){
	// Properties
	this.InstanceName	= instanceName ;
	this.Width			= width			|| '100%' ;
	this.Height			= height		|| '200' ;
	this.ToolbarSet		= toolbarSet	|| 'Default' ;
	this.Value			= value			|| '' ;
	this.BasePath		= '/fckeditor/' ;
	this.CheckBrowser	= true ;
	this.DisplayErrors	= true ;
	this.EnableSafari	= false ;		// This is a temporary property, while Safari support is under development.
	this.EnableOpera	= false ;		// This is a temporary property, while Opera support is under development.

	this.Config			= new Object() ;

	// Events
	this.OnError		= null ;	// function( source, errorNumber, errorDescription )
}

FCKeditor.prototype.Version			='2.3.2';
FCKeditor.prototype.VersionBuild	='1082';

FCKeditor.prototype.Create=function(){
	document.write(this.CreateHtml());
}

FCKeditor.prototype.CreateHtml=function(){
	// Check for errors
	if(!this.InstanceName || this.InstanceName.length==0){
		this._ThrowError( 701, 'You must specify an instance name.' ) ;
		return ;
	}

	var sHtml = '<div>' ;

	if(!this.CheckBrowser || FCKeditor_IsCompatibleBrowser()){
		sHtml += '<input type="hidden" id="' + this.InstanceName + '" name="' + this.InstanceName + '" value="' + this._HTMLEncode( this.Value ) + '" style="display:none" />';
		sHtml+=this._GetConfigHtml();
		sHtml+=this._GetIFrameHtml();
	}else{
		var sWidth=this.Width.toString().indexOf('%')  > 0 ? this.Width  : this.Width  + 'px' ;
		var sHeight=this.Height.toString().indexOf('%') > 0 ? this.Height : this.Height + 'px' ;
		sHtml += '<textarea name="' + this.InstanceName + '" rows="4" cols="40" style="width:' + sWidth + ';height:' + sHeight + '">' + this._HTMLEncode( this.Value ) + '<\/textarea>' ;
	}

	sHtml+='</div>';
	return sHtml ;
}

FCKeditor.prototype.ReplaceTextarea=function(){
	if(!this.CheckBrowser || FCKeditor_IsCompatibleBrowser()){
		// We must check the elements firstly using the Id and then the name.
		var oTextarea = document.getElementById(this.InstanceName);
		var colElementsByName=document.getElementsByName(this.InstanceName);
		var i=0;
		while(oTextarea || i==0){
			if(oTextarea && oTextarea.tagName.toLowerCase()=='textarea')
				break;
			oTextarea = colElementsByName[i++];
		}
		
		if(!oTextarea){
			alert('Error: The TEXTAREA with id or name set to "' + this.InstanceName + '" was not found');
			return ;
		}

		oTextarea.style.display='none';
		this._InsertHtmlBefore(this._GetConfigHtml(),oTextarea);
		this._InsertHtmlBefore(this._GetIFrameHtml(),oTextarea);
	}
}

FCKeditor.prototype._InsertHtmlBefore=function(html,element){
	if(element.insertAdjacentHTML)	// IE
		element.insertAdjacentHTML('beforeBegin',html);
	else								// Gecko
	{
		var oRange=document.createRange();
		oRange.setStartBefore(element);
		var oFragment=oRange.createContextualFragment(html);
		element.parentNode.insertBefore(oFragment,element);
	}
}

FCKeditor.prototype._GetConfigHtml=function(){
	var sConfig='';
	for(var o in this.Config){
		if(sConfig.length>0) sConfig+='&amp;';
		sConfig+=escape(o)+'='+escape(this.Config[o]);
	}
	return '<input type="hidden" id="'+ this.InstanceName+'___Config" value="'+ sConfig+'" style="display:none" />';
}

FCKeditor.prototype._GetIFrameHtml=function(){
	var sFile='fckeditor.html';
	
	try{
		if((/fcksource=true/i).test(window.top.location.search))
			sFile='fckeditor.original.html';
	}
	catch (e) { /* Ignore it. Much probably we are inside a FRAME where the "top" is in another domain (security error). */ }

	var sLink=this.BasePath+'editor/'+sFile+'?InstanceName='+this.InstanceName;
	if(this.ToolbarSet)sLink+='&amp;Toolbar='+this.ToolbarSet;
	return '<iframe id="'+this.InstanceName+'___Frame" src="'+sLink+'" width="'+this.Width+'" height="'+this.Height+'" frameborder="0" scrolling="no"></iframe>';
}

// Deprecated (to be removed in the 3.0).
FCKeditor.prototype._IsCompatibleBrowser=function(){
	return FCKeditor_IsCompatibleBrowser();
}

FCKeditor.prototype._ThrowError=function(errorNumber,errorDescription){
	this.ErrorNumber=errorNumber;
	this.ErrorDescription=errorDescription;
	if(this.DisplayErrors){
		document.write('<div style="COLOR: #ff0000">');
		document.write('[ FCKeditor Error '+this.ErrorNumber+': '+this.ErrorDescription+' ]');
		document.write('</div>');
	}

	if(typeof(this.OnError)=='function')
		this.OnError(this,errorNumber,errorDescription);
}

FCKeditor.prototype._HTMLEncode=function(text){
	if(typeof(text)!="string")
		text=text.toString();

	text=text.replace(
		/&/g, "&amp;").replace(
		/"/g, "&quot;").replace(
		/</g, "&lt;").replace(
		/>/g, "&gt;") ;

	return text ;
}

function FCKeditor_IsCompatibleBrowser(){
	var sAgent = navigator.userAgent.toLowerCase();

	// Internet Explorer
	if ( sAgent.indexOf("msie") != -1 && sAgent.indexOf("mac") == -1 && sAgent.indexOf("opera") == -1 )
	{
		var sBrowserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1] ;
		return ( sBrowserVersion >= 5.5 ) ;
	}

	// Gecko (Opera 9 tries to behave like Gecko at this point).
	if ( navigator.product == "Gecko" && navigator.productSub >= 20030210 && !( typeof(opera) == 'object' && opera.postError ) )
		return true ;

	// Opera
	if ( this.EnableOpera && navigator.appName == 'Opera' && parseInt( navigator.appVersion ) >= 9 )
			return true ;

	// Safari
	if ( this.EnableSafari && sAgent.indexOf( 'safari' ) != -1 )
		return ( sAgent.match( /safari\/(\d+)/ )[1] >= 312 ) ;	// Build must be at least 312 (1.3)

	return false;
}