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392 jpm 1 
/*
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 * FCKeditor - The text editor for internet
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 * Copyright (C) 2003-2005 Frederico Caldeira Knabben
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 *
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 * Licensed under the terms of the GNU Lesser General Public License:
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 * 		http://www.opensource.org/licenses/lgpl-license.php
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 *
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 * For further information visit:
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 * 		http://www.fckeditor.net/
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 *
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 * File Name: fckeditor.js
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 * 	This is the integration file for JavaScript.
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 *
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 * 	It defines the FCKeditor class that can be used to create editor
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 * 	instances in a HTML page in the client side. For server side
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 * 	operations, use the specific integration system.
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 *
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 * File Authors:
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 * 		Frederico Caldeira Knabben (fredck@fckeditor.net)
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 */
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// FCKeditor Class
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var FCKeditor = function( instanceName, width, height, toolbarSet, value )
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{
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	// Properties
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	this.InstanceName	= instanceName ;
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	this.Width			= width			|| '100%' ;
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	this.Height			= height		|| '200' ;
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	this.ToolbarSet		= toolbarSet	|| 'Default' ;
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	this.Value			= value			|| '' ;
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	this.BasePath		= '/fckeditor/' ;
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	this.CheckBrowser	= true ;
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	this.DisplayErrors	= true ;
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	this.Config			= new Object() ;
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	// Events
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	this.OnError		= null ;	// function( source, errorNumber, errorDescription )
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}
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FCKeditor.prototype.Create = function()
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{
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	// Check for errors
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	if ( !this.InstanceName || this.InstanceName.length == 0 )
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	{
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		this._ThrowError( 701, 'You must specify a instance name.' ) ;
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		return ;
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	}
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	document.write( '<div>' ) ;
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	if ( !this.CheckBrowser || this._IsCompatibleBrowser() )
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	{
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		document.write( '<input type="hidden" id="' + this.InstanceName + '" name="' + this.InstanceName + '" value="' + this._HTMLEncode( this.Value ) + '" />' ) ;
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		document.write( this._GetConfigHtml() ) ;
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		document.write( this._GetIFrameHtml() ) ;
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	}
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	else
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	{
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		var sWidth  = this.Width.toString().indexOf('%')  > 0 ? this.Width  : this.Width  + 'px' ;
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		var sHeight = this.Height.toString().indexOf('%') > 0 ? this.Height : this.Height + 'px' ;
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		document.write('<textarea name="' + this.InstanceName + '" rows="4" cols="40" style="WIDTH: ' + sWidth + '; HEIGHT: ' + sHeight + '" wrap="virtual">' + this._HTMLEncode( this.Value ) + '<\/textarea>') ;
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	}
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	document.write( '</div>' ) ;
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}
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FCKeditor.prototype.ReplaceTextarea = function()
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{
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	if ( !this.CheckBrowser || this._IsCompatibleBrowser() )
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	{
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		var oTextarea = document.getElementById( this.InstanceName ) ;
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		if ( !oTextarea )
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			oTextarea = document.getElementsByName( this.InstanceName )[0] ;
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		if ( !oTextarea || oTextarea.tagName != 'TEXTAREA' )
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		{
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			alert( 'Error: The TEXTAREA id "' + this.InstanceName + '" was not found' ) ;
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			return ;
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		}
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		oTextarea.style.display = 'none' ;
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		this._InsertHtmlBefore( this._GetConfigHtml(), oTextarea ) ;
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		this._InsertHtmlBefore( this._GetIFrameHtml(), oTextarea ) ;
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	}
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}
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FCKeditor.prototype._InsertHtmlBefore = function( html, element )
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{
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	if ( element.insertAdjacentHTML )	// IE
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		element.insertAdjacentHTML( 'beforeBegin', html ) ;
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	else								// Gecko
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	{
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		var oRange = document.createRange() ;
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		oRange.setStartBefore( element ) ;
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		var oFragment = oRange.createContextualFragment( html );
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		element.parentNode.insertBefore( oFragment, element ) ;
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	}
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}
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FCKeditor.prototype._GetConfigHtml = function()
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{
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	var sConfig = '' ;
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	for ( var o in this.Config )
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	{
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		if ( sConfig.length > 0 ) sConfig += '&amp;' ;
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		sConfig += escape(o) + '=' + escape( this.Config[o] ) ;
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	}
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	return '<input type="hidden" id="' + this.InstanceName + '___Config" value="' + sConfig + '" />' ;
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}
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FCKeditor.prototype._GetIFrameHtml = function()
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{
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	var sLink = this.BasePath + 'editor/fckeditor.html?InstanceName=' + this.InstanceName ;
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	if (this.ToolbarSet) sLink += '&Toolbar=' + this.ToolbarSet ;
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	return '<iframe id="' + this.InstanceName + '___Frame" src="' + sLink + '" width="' + this.Width + '" height="' + this.Height + '" frameborder="no" scrolling="no"></iframe>' ;
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}
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FCKeditor.prototype._IsCompatibleBrowser = function()
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{
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	var sAgent = navigator.userAgent.toLowerCase() ;
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	// Internet Explorer
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	if ( sAgent.indexOf("msie") != -1 && sAgent.indexOf("mac") == -1 && sAgent.indexOf("opera") == -1 )
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	{
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		var sBrowserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1] ;
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		return ( sBrowserVersion >= 5.5 ) ;
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	}
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	// Gecko
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	else if ( navigator.product == "Gecko" && navigator.productSub >= 20030210 )
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		return true ;
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	else
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		return false ;
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}
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FCKeditor.prototype._ThrowError = function( errorNumber, errorDescription )
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{
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	this.ErrorNumber		= errorNumber ;
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	this.ErrorDescription	= errorDescription ;
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	if ( this.DisplayErrors )
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	{
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		document.write( '<div style="COLOR: #ff0000">' ) ;
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		document.write( '[ FCKeditor Error ' + this.ErrorNumber + ': ' + this.ErrorDescription + ' ]' ) ;
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		document.write( '</div>' ) ;
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	}
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	if ( typeof( this.OnError ) == 'function' )
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		this.OnError( this, errorNumber, errorDescription ) ;
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}
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FCKeditor.prototype._HTMLEncode = function( text )
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{
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	if ( typeof( text ) != "string" )
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		text = text.toString() ;
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	text = text.replace(/&/g, "&amp;") ;
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	text = text.replace(/"/g, "&quot;") ;
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	text = text.replace(/</g, "&lt;") ;
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	text = text.replace(/>/g, "&gt;") ;
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	text = text.replace(/'/g, "&#39;") ;
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	return text ;
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}