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function check_user(u_name,u_cfile)
{
if (u_name!=null || u_name!='')
{
var myurl="Promotion.aspx";
retCode=openUrl(myurl);
}
return;
}
var objxml;
function statuschanged()
{
if(objxml.readyState == 4)
{
regemailinfo.innerHTML=objxml.responseBody;
return (false);
}
}
function openUrl(url)
{ objxml=GetXmlHttpObject()
if (objxml==null)
{
alert ("您的浏览器不支持AJAX!");
return;
}
// objxml=new ActiveXObject("Microsoft.XMLHttp") ;
objxml.open("GET",url,true);
objxml.onreadystatechange = statuschanged ;
objxml.send();
}
function GetXmlHttpObject()
{
var xmlHttp=null;
try
{
xmlHttp=new XMLHttpRequest();
}
catch (e)
{
try
{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
}
return xmlHttp;
}
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
试一试</div>
</form>
</body>
</html>