//  Prototip 2.1.0.1 - 19-05-2009
//  Copyright (c) 2008-2009 Nick Stakenburg (http://www.nickstakenburg.com)
//
//  Licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License
//  http://creativecommons.org/licenses/by-nc-nd/3.0/

//  More information on this project:
//  http://www.nickstakenburg.com/projects/prototip2/

var Prototip = {
  Version: '2.1.0.1'
};

var Tips = {
  options: {
    images: '/images/prototip/', // image path, can be relative to this file or an absolute url
    zIndex: 6000                   // raise if required
  }
};

Prototip.Styles = {
  // The default style every other style will inherit from.
  // Used when no style is set through the options on a tooltip.
  'default': {
    border: 6,
    borderColor: '#d8dfea',
    className: 'default',
    closeButton: false,
    hideAfter: false,
    hideOn: 'mouseleave',
    hook: false,
	//images: 'styles/creamy/',    // Example: different images. An absolute url or relative to the images url defined above.
    radius: 6,
	showOn: 'mousemove',
    stem: {
      //position: 'topLeft',       // Example: optional default stem position, this will also enable the stem
      height: 12,
      width: 15
    }
  },

  'protoblue': {
    className: 'protoblue',
    border: 6,
    borderColor: '#116497',
    radius: 6,
    stem: { height: 12, width: 15 }
  },

  'darkgrey': {
    className: 'darkgrey',
    border: 6,
    borderColor: '#363636',
    radius: 6,
    stem: { height: 12, width: 15 }
  },

  'creamy': {
    className: 'creamy',
    border: 6,
    borderColor: '#ebe4b4',
    radius: 6,
    stem: { height: 12, width: 15 }
  },

  'protogrey': {
    className: 'protogrey',
    border: 6,
    borderColor: '#606060',
    radius: 6,
    stem: { height: 12, width: 15 }
  }
};

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

//邮箱判断
function isEmail(val) { 
    var email = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/; 
    if(!email.test(val)) {
        return false;
    } else {
    return true;
}
}

function recheck_register(Cform) {
    var str = '';
    var check = true;
    var name = document.getElementById("user_name");
    var email = document.getElementById("user_email");
    var province = document.getElementById("specs_province");
    var region = document.getElementById("user_region_id");
    var password = document.getElementById("user_password");
    var c_password = document.getElementById("user_password_confirmation");
    
    if(!isOnlyChinese(name.value)) {
        str += '注册时用真实名称，请输入真名的中文名称！;';
        check = false;
    }
    if(!isEmail(email.value)) {
        str += '请填写正确的邮箱地址！;';
        check = false;
    }
    if(!region) {
        str += '请选择您所在的城市！;';
        check = false;
    }
    if (password.value.trim() == "") {
        str += '请填写密码！;';
        check = false;
    }
    if (password.value.trim() != c_password.value.trim()) {
        str += '两次输入的密码不一致，请重新出入！;';
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

function add_poll_items(Cform, num) {
    var str = '';
    var check = true;
    var name = Cform.pollitems_name;
    if(num >= 20) {
        str += "候选项不能超过20个。;";
        check = false;
    }
    if(name.value.trim() == "") {
        str += "候选项内容不能为空。;";
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

//Contacts 表单验证
function recheck_contacts(checkform) {
    var str = '';
    var check = true;
    var name = checkform.mail_name;
    var password = checkform.mail_password;
    var type = checkform.mail_type;
    if(name.value.trim() == ""){
        str += "请输入您的邮箱账号。;";
        check = false
    }
    
    if(password.value.trim() == ""){
        str += "请输入您的邮箱密码。;";
        check = false
    }
    
    if(type.value.trim() == ""){
        str += "请选择您的邮箱类型。;";
        check = false
    }
    if (!check) { cue_info(str); }
    return check;
}

//application 查询验证
function recheck(checkform) { 
    var str = '';
    var check = true;
    if (checkform.p.value.trim() =="" || checkform.p.value.trim() == "找人") {
        str += "请输入查询条件。;";
        checkform.p.value = "";
        checkform.p.focus();
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

function isMaxLen(o) {
    var nMaxLen=o.getAttribute? parseInt(o.getAttribute("maxlength")):"";
    if(o.getAttribute && o.value.length>nMaxLen) {
        o.value=o.value.substring(0,nMaxLen)
    }
}
//站内邮件验证
function recheck_mailbox(obj,id) {
    var str = '';
    var check = true;
    var title = obj.title
    var body = obj.body
    var friends = document.getElementsByName('friends[]');
    var tags = document.getElementsByName('tags[]');
    var groups = document.getElementsByName('groups[]');
    
    switch (id) {
        case 0:
        if(!(friends[0] || tags[0])) {
            str += "请选择收件人。;";
            check = false;
        }
        break;
        case 1:
        if(!(friends[0] || tags[0])) {
            str += "请选择收件人。;";
            check = false;
        }
        break;
        case 2:
        if(!groups[0]) {
            str += "请选择圈子。;";
            check = false;
        }
        break;
        case 4:
        if(!(friends[0] || tags[0])) {
            str += "请选择收件人。;";
            check = false;
        }
        break;
    }
    
    if(title.value.trim() == "") {
        str += "标题不能为空。;";
        check = false;
    }
    
    if(body.value.trim() == "") {
        str += "内容不能为空。;";
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

//相册验证
function recheck_album(obj) {
    var str = '';
    var check = true;
    if(obj.album_name.value.trim() == "") {
        str += "相册名称不能为空。;";
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

//圈子头像验证
function recheck_group_icon(obj) {
    var str = '';
    var check = true;
    if(obj.icon_uploaded_data.value.trim() == "") {
        str += "请在您的本地计算机选择要上传的照片。;";
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

//大学信息验证
function recheck_studying(CForm) {
    var str = '';
    var check = true;
    var college = CForm.college;
    var department = CForm.studying_department;
    var degree = CForm.studying_degree_id;
    
    if(college.value.trim() == "") {
        str += '大学名称不能为空。;';
        check = false;
    }
    if(!department.value && department.value.trim() == "") {
        str += '院系名称不能为空。;';
        check = false;
    }
    if(degree.value.trim() == "") {
        str += '学位不能为空。;';
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}
//中学信息验证
function recheck_schooling() {
    var str = '';
    var check = true;
    var obj1 = $('school');
    if(obj1 && obj1.value.trim() == "") {
        str += '中学名称不能为空。;';
        obj1.focus();
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}
//公司信息验证
function recheck_working() {
    var str = '';
    var check = true;
    var obj1 = $('company_name');
    var obj2 = document.getElementsByName('specs[province]')[0];
    if(obj1) {
        if(obj1 && obj1.value.length < 2) {
            str += '公司名称不得少于2个字符。;';
            check = false;
        }
    }
    if(obj2.value.trim() == "") {
        str += '城市不能为空。;';
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

//邮件地址邀请好友验证
function recheck_email_list(evt) {
    var keycode = window.event ? evt.keyCode: evt.which;
    var key = String.fromCharCode(keycode); 
    if(key == ";") {
        var obj = $('email_array');
        arr1 = obj.value.split(';');
        if(!isEmail(arr1[arr1.length - 1])) {
            cue_info('请填写一个有效的Email地址。;');
            str1 = "";
            for(i=0 ; i < arr1.length - 1 ; i++) {
                str1 = str1 + arr1[i];
            }
            obj.value = str1;
        }
    }
}

// 验证内容只能是中文
function isOnlyChinese(s){
    // 正则表达式对象
    var re = new RegExp("^[\\u4e00-\\u9fa5]+$", "");
    // 验证是否刚好匹配
    var yesorno = re.test(s);
    if(yesorno){
        return true;
    }
    else{
        return false;
    }
}

//用户注册验证。
function show_register_tips_show(tips) {
    switch(tips){
        case "tips1":
        obj = document.getElementById(tips);
        if(obj) {
            document.getElementById(tips).innerHTML = "为了朋友更方便的找到您，请您填写真实姓名。";
            document.getElementById(tips).style.display = "block"; 
        }  
        break;
        
        case "tips2":
        obj = document.getElementById(tips);
        if(obj) {
            document.getElementById(tips).innerHTML = "填写有效邮箱，我们需要通过邮件激活您的帐号。";
            document.getElementById(tips).style.display = "block"; 
        }  
        break;
        
        case "tips3":
        obj = document.getElementById(tips);
        if(obj) {
            document.getElementById(tips).innerHTML = "密码必须由6-20个字符组成";
            document.getElementById(tips).style.display = "block"; 
        }  
        break;
    }
}

function show_register_tips_check(obj ,tips){
    var str = obj.value;
    var tips_input = document.getElementById(tips);
    switch(tips){
        case "tips1":        
        if (!isOnlyChinese(str)){
            tips_input.innerHTML = "注册时用真实名称，请输入真名的中文名称!";
        }else{
            if(tips_input) { tips_input.style.display = "none"; }
        }
        break;
        case "tips2":
        if (!isEmail(str)){
            tips_input.innerHTML = "请填写有效的邮箱地址。"
        }else{
            if(tips_input) { tips_input.style.display = "none"; }
        }
        break;
        case "tips3":
        if(!isPasswordMatch(str)){
            tips_input.innerHTML = "密码必须由6-20个字符组成,请重新输入."
        }else{
            if(tips_input) { tips_input.style.display = "none"; 
            } 
        }
        break;
    }
}

//判断密码是否符合要求
function isPasswordMatch(val) { 
    var email = /^[\w]{6,20}$/; 
    if(!email.test(val)) {
        return false;
    } else {
    return true;
}
}

function show_tip(obj,tip){
    if(obj.checked == true){
        document.getElementById(tip).innerHTML = "(在网吧，请不要选择此项。)";
        document.getElementById(tip).style.display = "block"; 
    }else{
    document.getElementById(tip).style.display = "none"; 
}

}

function recheck_event_send_mail(Cform) {
    var str = '';
    var check = true;
    var body = Cform.body;
    if(body.value.trim() == '') {
        str += "请填写邮件内容。;";
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

function recheck_send_mail(Cform) {
    var str = '';
    var check = true;
    var title = Cform.title;
    var body = Cform.body;
    
    if(title.value.trim() == '') {
        str += "请填写邮件标题。;";
        check = false;
    }
    
    if(body.value.trim() == '') {
        str += "请填写邮件内容。;";
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

function recheck_bookmark(Cform) {
    var str = '';
    var check = true;
    var url = Cform.bookmark_url
    var title = Cform.bookmark_title
    var tags = $('tags_tag_list')
    if (url.value.trim() == '') { 
        str += "请填写书签的网址。;";
        check = false;
    }
    if (title.value.trim() == ''){
        str += "请填写书签的标题。;";
        check = false;
    }
    if (tags.value.trim().length > 80){
        str += "书签分类超过了80个字符，请重新填写书签分类。;";
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

function recheck_selectlist() {
    var str = '';
    var check = false;
    var items = document.getElementsByName('bookmark_select[]');
    for (var i=0;i<items.length;i++){
        if (items[i].checked){
            check = true;
            break;
        }
    }
    if (!has_selected){
        str += '请选择要贴的书签！;';
    }
    if (!check) { cue_info(str); }
    return check;
}

// 验证评论/留言内容不能为空
function recheck_comment(content){
    var content = $(content);
    if (content.value.trim() == ""){
        alert('内容不能为空！');
        return false;
    }
    return true;
}

// 验证发送站内信
function recheck_send_msg(title, body){
    var str = '';
    var check = true;
    var title = $(title);
    var body = $(body);
    
    if(title.value.trim() == '') {
        str += "请填写标题！;";
        check = false;
    }
    
    if(body.value.trim() == "") {
        str += "请填写消息内容！;";
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

function recheck_poking_new(Cform){
    var str = '';
    var check = true;
    var pokes = Cform.poke_id
    var poke_note = Cform.poking_note
    var box_ran = Cform.box_random
    var friends = document.getElementsByName('friends[]');
    var tags = document.getElementsByName('tags[]');
    
    poke_note.value = poke_note.value.trim();
    var has_selected = false
    for(var i=0 ; i<pokes.length ; i++){
        if(pokes[i].checked){
            has_selected = true;
            break;
        }
    }
    if (!has_selected){
        str += "你没有选动作;";
        check = false;
    }
    if (!box_ran.checked){
        if(!(friends[0] || tags[0])) {
            str += "你没有选好友;";
            check = false;
        }
    }
    if (!check) { cue_info(str); }
    return check;
}



function recheck_note_body(body_id) {
    var str = '';
    var check = true;
    var note_body = $(body_id);
    if (note_body.value.trim().length < 5) {
        str += "多写几个字吧，至少写上5个字符！;";
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

// 验证备忘信息
function recheck_memo(Cform) {
    var str = '';
    var check = true;
    var memo_title = Cform.memo_title;
    var start_datetime = Cform.started_date.value + " "+ Cform.started_time.value;
    var end_datetime = Cform.ended_date.value + " " + Cform.ended_time.value;
    var start = new Date(Date.parse(start_datetime.replace(/-/g,"/")));
    var end = new Date(Date.parse(end_datetime.replace(/-/g,"/")));
    
    if (memo_title.value.trim() == "") {
        str += "请填写备忘的标题;";
        check =  false;
    }
    
    if (start == "Invalid Date" || end == "Invalid Date") {
        str += "日期时间的格式不正确;";
        check =  false;
    }
    else {
        if (end < start) {
            str += "结束时间不能早于开始时间;";
            check =  false;
        }
    }
    if (!check) { cue_info(str); }
    return check;
}

// 验证网摘分享
function recheck_repaste(Cform){
    var str = '';
    var check = true;
    
    var rep_title = Cform.title;
    var rep_summary = Cform.summary;
    
    if (rep_title.value.trim().length < 5){
        str += "标题太短了，多写几个字吧！;";
        check =  false;
    }
    if (rep_summary.value.trim().length < 10){
        str += "内容太少，多写几个字吧！;";
        check =  false;
    }
    var num = 0;
    for(var i=1 ; i<=8 ; i++) {
        temp = "item"+i;
        if ($(temp).value.trim() != ""){
            num ++;
        }
    }
    if(num < 2 && num > 0) {
        str += "至少要填写2个候选项！;";
        check = false;
    }
    if (!check) { cue_info(str); }
    return check;
}

function recheck_sharelink(Cform){
    var str = '';
    var check = true;
    
    var sha_title = Cform.title;
    if (sha_title.value.trim().length < 5){
        str += "标题太短了，多写几个字吧！;";
        check =  false;
    }
    
    if (!check) { cue_info(str); }
    return check;
}

function cue_info(str) {
    // 弹出层配置信息
    var top = 200;
    top = (top + document.documentElement.scrollTop);
    var width = 400;
    
    arr = str.split(';');
    var strHtml = '<div id="popup_window_err" class="popup_window" style="top:' + top + 'px;width:' + width + 'px;z-index:101;">';
    strHtml += '<!--[if lte IE 6]>';
    strHtml += '<iframe width="100%" frameborder="0" style="position:absolute;z-index:-1;" onload="getIframeHeight(this,\'popup_window_err\');"></iframe>';
    strHtml += '<![endif]-->';
    strHtml += '<table class="pop_dialog_table" id="pop_dialog_table" style="width: ' + width + 'px;" border="0" cellpadding="0" cellspacing="0">';
    strHtml += '<tr><td class="pop_topleft"/><td class="pop_border" style="width: ' + (width - 20) + 'px;"/><td class="pop_topright"/></tr>';
    
    strHtml += '<tr><td class="pop_border"/>';
    strHtml += '<td id="pop_content" class="pop_content"><h2 style="background:#FFEBE8;" class="dialog_title"><span style="float:none; color:#000;">错误信息</span><a href="####" onclick="HideDiv(\'popup_window_err\');" style="color:#000;">X</a></h2><ul class="padtop">'
    for (var i = 0; i <= arr.length - 1 && arr[i] != ""; i++) {
        strHtml += '<li style="list-style:disc;margin-left:20px;color:#333;"> ' + arr[i] + '</li>';
    }
    strHtml += '</ul><p style="height: 25px; text-align: center;"><input type="submit" value="关闭" onclick="Ok(\'popup_window_err\');" name="commit" class="button2" style="margin-left:0;"/></p></td>';
    strHtml += '<td class="pop_border"/></tr>';
    
    strHtml += '<tr><td class="pop_bottomleft"/><td class="pop_border"/><td class="pop_bottomright"/></tr>';
    strHtml += '</table>';
    strHtml += '</div>';
    if($('popup_err')) {$('popup_err').innerHTML = strHtml};
    setTimeout("Ok('popup_window_err')", 6 * 1000);
}

/*
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2008 Frederico Caldeira Knabben
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses at your
 * choice:
 *
 *  - GNU General Public License Version 2 or later (the "GPL")
 *    http://www.gnu.org/licenses/gpl.html
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 *
 * == END LICENSE ==
 *
 * This is the integration file for JavaScript.
 *
 * It defines the FCKeditor class that can be used to create editor
 * instances in a HTML page in the client side. For server side
 * operations, use the specific integration system.
 */

// 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.BasePath ;
	this.CheckBrowser	= true ;
	this.DisplayErrors	= true ;

	this.Config			= new Object() ;

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

/**
 * This is the default BasePath used by all editor instances.
 */
FCKeditor.BasePath = '/fckeditor/' ;

/**
 * The minimum height used when replacing textareas.
 */
FCKeditor.MinHeight = 200 ;

/**
 * The minimum width used when replacing textareas.
 */
FCKeditor.MinWidth = 750 ;

FCKeditor.prototype.Version			= '2.6' ;
FCKeditor.prototype.VersionBuild	= '18638' ;

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 = '' ;

	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>' ;
	}

	return sHtml ;
}

FCKeditor.prototype.ReplaceTextarea = function()
{
	if ( !this.CheckBrowser || this._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 += 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 ;
	}

	/**
	 * Replace all <textarea> elements available in the document with FCKeditor
	 * instances.
	 *
	 *	// Replace all <textarea> elements in the page.
	 *	FCKeditor.ReplaceAllTextareas() ;
	 *
	 *	// Replace all <textarea class="myClassName"> elements in the page.
	 *	FCKeditor.ReplaceAllTextareas( 'myClassName' ) ;
	 *
	 *	// Selectively replace <textarea> elements, based on custom assertions.
	 *	FCKeditor.ReplaceAllTextareas( function( textarea, editor )
	 *		{
	 *			// Custom code to evaluate the replace, returning false if it
	 *			// must not be done.
	 *			// It also passes the "editor" parameter, so the developer can
	 *			// customize the instance.
	 *		} ) ;
	 */
	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 ;

			// The "name" attribute must exist.
			if ( !name || name.length == 0 )
				continue ;

			if ( typeof arguments[0] == 'string' )
			{
				// The textarea class name could be passed as the function
				// parameter.

				var classRegex = new RegExp( '(?:^| )' + arguments[0] + '(?:$| )' ) ;

				if ( !classRegex.test( textarea.className ) )
					continue ;
			}
			else if ( typeof arguments[0] == 'function' )
			{
				// An assertion function could be passed as the function parameter.
				// It must explicitly return "false" to ignore a specific <textarea>.
				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() ;

	// Internet Explorer 5.5+
	if ( /*@cc_on!@*/false && sAgent.indexOf("mac") == -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 9.50+
	if ( window.opera && window.opera.version && parseFloat( window.opera.version() ) >= 9.5 )
		return true ;

	// Adobe AIR
	// Checked before Safari because AIR have the WebKit rich text editor
	// features from Safari 3.0.4, but the version reported is 420.
	if ( sAgent.indexOf( ' adobeair/' ) != -1 )
		return ( sAgent.match( / adobeair\/(\d+)/ )[1] >= 1 ) ;	// Build must be at least v1

	// Safari 3+
	if ( sAgent.indexOf( ' applewebkit/' ) != -1 )
		return ( sAgent.match( / applewebkit\/(\d+)/ )[1] >= 522 ) ;	// Build must be at least 522 (v3)

	return false ;
}