var FCKeditor = function( instanceName, width, height, toolbarSet, value ) {
	this.InstanceName	= instanceName;
	this.Width			= width			|| '100%';
	this.Height			= height		|| '200';
	this.ToolbarSet		= toolbarSet	|| 'Project';
	this.Value			= value			|| '';
	this.BasePath		= FCKeditor.BasePath;
	this.CheckBrowser	= true;
	this.DisplayErrors	= true;
	this.Config			= new Object();
	this.OnError		= null;	// function( source, errorNumber, errorDescription )
}
FCKeditor.BasePath = '/fck/';
FCKeditor.MinHeight = 200;
FCKeditor.MinWidth = 750;
FCKeditor.prototype.Version			= '2.5.1';
FCKeditor.prototype.VersionBuild	= '17566';
FCKeditor.prototype.Create = function() {
	document.write( this.CreateHtml() );
}
FCKeditor.prototype.CreateHtml = function() {
	if ( !this.InstanceName || this.InstanceName.length == 0 ) {
		this._ThrowError( 701, 'You must specify an instance name.' );
		return '';
	}
	var sHtml = '<div>';
	if ( !this.CheckBrowser || this._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 || this._IsCompatibleBrowser() ) {
		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 += encodeURIComponent( o ) + '=' + encodeURIComponent( 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=' + encodeURIComponent( 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>';
}
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() {
	var textareaToEditor = function( textarea ) {
		var editor = new FCKeditor( textarea.name );
		editor.Width = Math.max( textarea.offsetWidth, FCKeditor.MinWidth );
		editor.Height = Math.max( textarea.offsetHeight, FCKeditor.MinHeight );
		return editor;
	}
	
	FCKeditor.ReplaceAllTextareas = function() {
		var textareas = document.getElementsByTagName( 'textarea' );
		for ( var i = 0; i < textareas.length; i++ ) {
			var editor = null;
			var textarea = textareas[i];
			var name = textarea.name;
			if ( !name || name.length == 0 )
				continue;
			if ( typeof arguments[0] == 'string' ) {
				var classRegex = new RegExp( '(?:^| )' + arguments[0] + '(?:$| )' );
				if ( !classRegex.test( textarea.className ) )
					continue;
			} else if ( typeof arguments[0] == 'function' ) {
				editor = textareaToEditor( textarea );
				if ( arguments[0]( textarea, editor ) === false )
					continue;
			}
			if ( !editor )
				editor = textareaToEditor( textarea );
			editor.ReplaceTextarea();
		}
	}
})();

function FCKeditor_IsCompatibleBrowser() {
	var sAgent = navigator.userAgent.toLowerCase();
	if ( /*@cc_on!@*/false && sAgent.indexOf("mac") == -1 ) {
		var sBrowserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1];
		return ( sBrowserVersion >= 5.5 );
	}
	if ( navigator.product == "Gecko" && navigator.productSub >= 20030210 && !( typeof(opera) == 'object' && opera.postError ) )
		return true;
	if ( window.opera && window.opera.version && parseFloat( window.opera.version() ) >= 9 )
			return true;
	if ( sAgent.indexOf( ' applewebkit/' ) != -1 )
		return ( sAgent.match( / applewebkit\/(\d+)/ )[1] >= 522 );	// Build must be at least 522 (v3)
	return false;
}