String.prototype.trim=function(){
return this.replace(/(^\s*)|(\s*$)/g, "");}
Request = { 
QueryString : function(cookiestr,item){ 
var sValue = cookiestr.match(new RegExp("[\?\&]?" + item + "=([^\&]*)(\&?)","i")); 
return sValue ? sValue[1] : sValue;} 
}
function getCookie(cookieName) {
var cookieString = document.cookie;
var start = cookieString.indexOf(cookieName + '=');
if (start == -1) 
return null;
start += cookieName.length + 1;
var end = cookieString.indexOf(';', start);
if (end == -1) return unescape(cookieString.substring(start));
return unescape(cookieString.substring(start, end));
}
var sHTML,sHTML1,sHTML2;
sHTML1="<span class=\"STYLE2\">行业网用户登录：</span>&nbsp;&nbsp;<strong style=\"color:#0000FF\">登录成功！欢迎用户：$1</strong>&nbsp;&nbsp;";
sHTML1+="	<a href=\"quit.asp\"><strong>退出登录</strong></a>　　<a href=\"sign/einfo.asp\" target=\"_blank\"><strong>修改资料</strong></a>";
sHTML2="<span class=\"STYLE2\">行业网用户登录：</span> 用户名 <input name=\"username\" id=\"username\" type=\"text\" size=\"12\" /> ";
sHTML2+=" 密码 <input name=\"password\" id=\"password\" type=\"password\" size=\"12\" /> ";
sHTML2+="<input name=\"btnLogin\" type=\"submit\" value=\"登录\" class=\"btn\" onclick=\"fnLogin($('username').value,$('password').value,event);return false;\" />";
sHTML2+="	<a href=\"sign/sign.htm\" target=\"_blank\">【免费注册】</a>";
sHTML2+="	<a onClick=\"window.open('sign/pwd.asp','changepass','width=375,height=285');\" href=\"javascript:void(0)\">【找回密码】</a>";
var fnWhenDone = function (oXML) {
			var temp=oXML.responseText;
			switch(LoginPos)
			{
				case 0:
					if (temp !="" && temp !="0" )
					{
						sHTML=sHTML1.replace("$1",unescape(temp));
					}
					else
					{
						sHTML=sHTML2;
					}
					break;
			}
			document.getElementById("LBlock").innerHTML =sHTML;
		};
DomLoaded.load(function() {
var c=getCookie("tick");
var id=c ? Request.QueryString(c,"id").trim() : null;
var usr=c ? Request.QueryString(c,"user").trim() : null;
var pwd=c ? Request.QueryString(c,"pass").trim() : null;
if (usr)
{
	var myConn = new XHConn(); 
	//判断对象是否成功创建
	if (!myConn) alert("XMLHTTP无效,请使用最新版本的浏览器浏览本网页!"); 
	//定义函数,用来处理响应结果		
	myConn.connect("Auth.asp", "GET",null, fnWhenDone);
}
else
{
	document.getElementById("LBlock").innerHTML =sHTML2;
}
});
function fnLogin(usr,pwd,ev)
{
	usr=usr.trim();
	pwd=pwd.trim();
	var ev=ev||window.event;
    var evt=ev.srcElement||ev.target;
	if (usr && pwd)
	{
		evt.disabled=true;
		var myConn = new XHConn(); 
		//判断对象是否成功创建
		if (!myConn) alert("XMLHTTP无效,请使用最新版本的浏览器浏览本网页!"); 
		//定义函数,用来处理响应结果
		myConn.connect("Auth.asp", "POST", "usr="+usr+"&pwd="+pwd, fnWhenDone);
		if(self.frameElement.tagName=="IFRAME"){
			setTimeout(function(){window.parent.document.location.reload();},1000);			
		}
	}
	else
	{
		 evt.disabled=false;
	}
}