var nwin;      
function openwindow(url,sTitle,sSize)      
{      
    if (url==''){
      return false;
    }

    if (nwin && !nwin.closed){      
       nwin.close();      
    }      
  

    if (sSize == undefined) {
       alert("请指定窗口型号!");
       return false;
    }
    else if (sSize == 100) {
       sWidth  = screen.availWidth;
       sHeight = screen.availHeight;
    }

   else if (sSize == 1) {
       sWidth  = 380;
       sHeight = 320;
    }
    else if (sSize == 2) {
       sWidth  = 600;
       sHeight = 500;
    }

    var l = ( screen.availWidth - sWidth ) / 2;
    var  t = ( screen.availHeight - sHeight ) / 2;      

     
    nwin = window.open(url+"?type=123",sTitle,'left=' + l +',top=' + t 
+',width='+sWidth+',height='+sHeight+',scrollbars=yes,resizable=yes');      
    nwin.focus();    
}
String.prototype.Trim = function(){
		return this.replace(/(^\s*)|(\s*$)/g,"");
	}
	function checkform(form){
		function checktrim(obj,msg){
			if (obj.value.Trim().length < 1){
				
				alert(msg);
				obj.focus();
				return false;
			}else{
				obj.style.backgroundColor = "";
				return true;
			}
		}
		return (
			checktrim(form.cxusername,"请输入会员帐号！")
			&&
			checktrim(form.cxpassword,"请输入一个至少6位数的密码！")
		);
	}
	function checkBrowserVersion()
			{
				//检测是否是IE
				if(window.navigator.userAgent.indexOf("MSIE")>-1)
				{
					//检测IE版本是否是5.0或5.0以上
					
						return true;
					
				}
				//检测Firefox版本号
				else if(parseFloat(window.navigator.appVersion)>=3.0)
				{
					//可以使用Mozilla 3.0浏览器版本功能
					return false;
				}
			}
function closeWindow()
{

jQuery(".AlertLogo").removeClass("touming").prependTo(jQuery(document.body)).hide();
if(document.getElementById('back')!=null)
{
document.getElementById('back').parentNode.removeChild(document.getElementById('back'));
}
if(document.getElementById('loginWindow')!=null)
{
document.getElementById('loginWindow').parentNode.removeChild(document.getElementById('loginWindow'));
}


}

function createLogin(parameter,title)
{
closeWindow();

var bWidth=parseInt(document.documentElement.scrollWidth);
var bHeight=parseInt(document.documentElement.scrollHeight);
var dWidth=(bWidth/7)*2;
var dHeight=document.documentElement.scrollTop+150;
var back=document.createElement("div");
back.id="back";
var styleStr="top:0px;left:0px;position:absolute;z-index:9999;background:#000000;width:"+bWidth+"px;height:"+bHeight+"px;";
if(checkBrowserVersion())
{
    styleStr+="filter:alpha(opacity=50,FinishOpacity=100);";
}
else
{
    styleStr+="opacity:0.5";
}


back.style.cssText=styleStr;
document.body.appendChild(back);

var mesW=document.createElement("div");
mesW.id="loginWindow";
mesW.className="loginWindow";
mesW.innerHTML="";
jQuery(".AlertLogo").prependTo(jQuery(mesW));

var styleStr=" left:"+dWidth+"px;top:"+dHeight+"px;position:absolute; z-index:10000;";
mesW.style.cssText=styleStr;
document.body.appendChild(mesW); 
jQuery(mesW).find(".AlertLogo").show().addClass("touming");

}
function onLand(){
	document.location.href="userreg.asp";
}

function gonggaogo(){
 	var demo2=document.getElementById("demo2");
  	var demo1=document.getElementById("demo1");
  	var demo=document.getElementById("demo");
  	var speed=50
	demo2.innerHTML=demo1.innerHTML   
	function Marquee(){   
	if(demo2.offsetWidth-demo.scrollLeft<=0)   
	demo.scrollLeft-=demo1.offsetWidth   
	else{   
	demo.scrollLeft++   
	}   
	}   
	var MyMar=setInterval(Marquee,speed)   
	demo.onmouseover=function() {clearInterval(MyMar)}   
	demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)} 
}
function mxgo(){
 	var demo2=document.getElementById("mxdemo2");
  	var demo1=document.getElementById("mxdemo1");
  	var demo=document.getElementById("mxdemo");
  	var speed=50
	demo2.innerHTML=demo1.innerHTML   
	function Marquee(){   
	if(demo2.offsetWidth-demo.scrollLeft<=0)   
	demo.scrollLeft-=demo1.offsetWidth   
	else{   
	demo.scrollLeft++   
	}   
	}   
	var MyMar=setInterval(Marquee,speed)   
	demo.onmouseover=function() {clearInterval(MyMar)}   
	demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)} 
}
function mxg1(){
 	var cemo2=document.getElementById("cxdemo2");
  	var cemo1=document.getElementById("cxdemo1");
  	var cemo=document.getElementById("cxdemo");
  	var speed=50
	cemo2.innerHTML=cemo1.innerHTML   
	function cMarquee(){   
	if(cemo2.offsetWidth-cemo.scrollLeft<=0)   
	cemo.scrollLeft-=cemo1.offsetWidth   
	else{   
	cemo.scrollLeft++   
	}   
	}   
	var cMyMar=setInterval(cMarquee,speed)   
	cemo.onmouseover=function() {clearInterval(cMyMar)}   
	cemo.onmouseout=function() {cMyMar=setInterval(cMarquee,speed)} 
}