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function callServer()
{
var url = "PageName.aspx?Id=" + escape("zx");
xmlHttp.open("POST", url, true);
xmlHttp.setRequestHeader("Connection", "close");
xmlHttp.onreadystatechange = updatePage;
xmlHttp.send(null);
//xmlHttp.onreadystatechange=updatePage;
// xmlHttp.open('POST',url,true);
// xmlHttp.setRequestHeader('Content-Length',args.data.length);//postÌá½»ÊÇÒª¼ÓÕâÁ½ÐУ¬ºÃÏñÉÏÃæÕâÒ»ÐпÉÒÔÊ¡ÂÔ£¬
// xmlHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
// xmlHttp.send("Id=" + escape("zx"));//postÌύʱ²ÎÊýÒª·ÅÔÚÕâÀï
}
if (!xmlHttp && typeof XMLHttpRequest
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