var UserAgent = navigator.userAgent.toLowerCase();
var ie4=document.all&&UserAgent.indexOf("opera")==-1
var ns6=document.getElementById&&!document.all



function $(id) {
	return document.getElementById(id);
}


//UrlPost Start
document.write("<form id=UrlPost method=Post></form>")
function UrlPost(Url){
	$("UrlPost").action = Url;
	document.forms['UrlPost'].submit()
}
//UrlPost END

//XmlDom Start
function GetXmlDom() {
	if (window.ActiveXObject) {//IE浏览器
		return new ActiveXObject("Microsoft.XMLDOM");
	}
	else if (document.implementation && document.implementation.createDocument) { //其它浏览器
		return document.implementation.createDocument("","",null);
	}
}
function GetNodeValue(objXmlElement)
{
	if(window.ActiveXObject) {	//IE浏览器
		return objXmlElement.text;
	}
	else if(window.XMLHttpRequest) {  //其它浏览器
		try {
			return objXmlElement.firstChild.nodeValue;
		}
		catch(ex) {
			return "";
		}
	}
}

function ShowMenuList(XMLUrl){
	var XmlDom = GetXmlDom();
	var SubMenuStr,MenuNode;
	XmlDom.async = false;
	XmlDom.load(XMLUrl);
	var XmlDomRoot = XmlDom.documentElement;
	var CategoryNode = XmlDomRoot.getElementsByTagName('Category');
	for (var i=0; i<CategoryNode.length; i++) {
		SubMenuStr="";
		MenuNode = CategoryNode[i].getElementsByTagName('Menu');
		
		for (var j=0; j<MenuNode.length; j++){
			SubMenuStr+="<div class=menuitems><a href=javascript:UrlPost(&quot;"+MenuNode[j].getAttributeNode("Url").nodeValue+"&quot;)>"+GetNodeValue(MenuNode[j])+"</a></div>";
		}
		$("MenuListID").innerHTML += " | <a href=javascript:UrlPost(&quot;"+CategoryNode[i].getAttributeNode("Url").nodeValue+"&quot;) onmouseover=\"showmenu(event,'"+SubMenuStr+"')\">"+CategoryNode[i].getAttributeNode("Name").nodeValue+"</a>";
	}
}
//XmlDom End











//Ajax Start
function Ajax_GetXMLHttpRequest() {
	if (window.ActiveXObject) {
		return new ActiveXObject("Microsoft.XMLHTTP");
	} 
	else if (window.XMLHttpRequest) {
		return new XMLHttpRequest();
	}
}
function Ajax_CallBack(FormName,ID,URL,IsAlert){
	var x = Ajax_GetXMLHttpRequest();
	var ID = $(ID);
	x.open("POST",URL);
	x.setRequestHeader("REFERER", location.href);
	x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	x.onreadystatechange = function(){if(x.readyState == 4 && x.status == 200){if(IsAlert){x.responseText?alert(x.responseText):alert('添加成功');}else if(ID){ID.innerHTML=x.responseText;}}}
	var encodedData=""
	if (document.forms.length > 0 && FormName) {
		var form = document.forms[FormName];
		for (var i = 0; i < form.length; ++i) {
			var element = form.elements[i];
			if (element.name) {
				var elementValue = null;
				if (element.nodeName == "INPUT") {
					var inputType = element.getAttribute("TYPE").toUpperCase();
					if (inputType == "TEXT" || inputType == "PASSWORD" || inputType == "HIDDEN") {
						elementValue = escape(element.value);
					} else if (inputType == "CHECKBOX" || inputType == "RADIO") {
						if (element.checked) {
							elementValue = escape(element.value);
						}
					}
				} else if (element.nodeName == "SELECT" || element.nodeName == "TEXTAREA") {
					elementValue = escape(element.value);
				}
				if (elementValue) {
					if(encodedData==""){
						encodedData = element.name + "=" + encodeURIComponent(elementValue);
					}
					else{
						encodedData += "&" + element.name + "=" + encodeURIComponent(elementValue);
					}
				}
			}
		}

	}
	x.send(encodedData);
}

//Ajax End



function loadThreadFollow(Paramater){
	var targetImg =$("followImg");
	var targetDiv =$("follow");
	if (targetDiv.style.display!='block'){
		Ajax_CallBack(false,"followTd","loading.asp?menu=UsersOnline&"+Paramater+"")
		targetDiv.style.display="block";
		targetImg.src="images/minus.gif";
	}else{
		targetDiv.style.display="none";
		targetImg.src="images/plus.gif";
	}
}

function ToggleMenuOnOff (menuName) {
	var menu = $(menuName);
	if (menu.style.display == 'none') {
		menu.style.display = '';
	} else {
		menu.style.display = 'none';
	}	
}

function ForumGroupToggleCollapsed(id) {
	var menu = $("ForumGroup"+id);
	var menuImg =$("ForumGroupImg"+id);
	if (menu.style.display == 'none') {
		menu.style.display = '';
		menuImg.src="images/group_collapse.gif";
		setCookie("ForumGroupDisplay"+id,"")
	} else {
		menu.style.display = 'none';
		menuImg.src="images/group_expand.gif";
		setCookieForever("ForumGroupDisplay"+id,"none")
	}
}

function OpenWindow (target) { 
  window.open(target, "_Child", "toolbar=no,scrollbars=yes,resizable=yes,width=400,height=400"); 
}


function log_out()
{
	ht = document.getElementsByTagName("html");
	ht[0].style.filter = "progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";
	if (confirm('你确定要退出？'))
	{
		UrlPost("Login.asp?Menu=OUT");
	}
	else
	{
		ht[0].style.filter = "";
		return false;
	}
}


function ShowPannel(btn){
	var idname = new String(btn.id);
	var s = idname.indexOf("_");
	var e = idname.lastIndexOf("_")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = btn.parentNode.childNodes.length;
	for(i=0;i<tabNumber;i++){
		document.getElementById(tabName+"_tab_"+i).style.display = "none";
		document.getElementById(tabName+"_btn_"+i).className = "";
	};
	document.getElementById(tabName+"_tab_"+id).style.display = "block";
	btn.className = "NowTag";
}

function AjaxShowPannel(btn){
	var idname = new String(btn.id);
	var s = idname.indexOf("_");
	var e = idname.lastIndexOf("_")+1;
	var tabName = idname.substr(0, s);
	var id = idname.substr(s, e-s);
	var tabNumber = btn.parentNode.childNodes.length;
	var menu =  new String(btn.getAttributeNode("menu").nodeValue);	//getAttributeNode("menu").nodeValue 兼容FF3。0
	var ajaxurl = new String(btn.parentNode.getAttributeNode("ajaxurl").nodeValue) + '&' + menu;
	for(i=0;i<tabNumber;i++){
		document.getElementById(tabName+id+i).className = "";
	};
	btn.className = "NowTag";
	$(tabName).innerHTML = '<table cellspacing=0 cellpadding=0 width="100%" class="PannelBody"><tr><td><img src="images/loading.gif" border=0 /></td></tr></table>';
	Ajax_CallBack(false,tabName,ajaxurl);
}


function ShowCheckResult(ObjectID, Message, ImageName) {
	obj = $(ObjectID);
	obj.style.display = '';
	obj.innerHTML = '<img src="verifycode/check_'+ImageName+'.gif" align=absmiddle>&nbsp;' + Message;
}

/*显示验证码*/
function getVerifyCode() {
	if(document.getElementById("VerifyCodeImgID"))
		document.getElementById("VerifyCodeImgID").innerHTML = '<img src="VerifyCode/VerifyCode.asp?t='+Math.random()+'" alt="click it to refresh the code" style="cursor:pointer;border:0;vertical-align:middle;" onclick="this.src=\'VerifyCode/VerifyCode.asp?t=\'+Math.random()" align="middle"/>'
}
function CheckVerifyCode(VerifyCode) {
	var patrn=/^\d+$/;		//纯数字
	if(!patrn.exec(VerifyCode)) {
		ShowCheckResult("CheckVerifyCode", "you have not input the digit code。","error");
		return;
	}
	Ajax_CallBack(false,"CheckVerifyCode","VerifyCode/Loading.asp?menu=CheckVerifyCode&VerifyCode=" + VerifyCode);
}