js部分

//生成Ajax的调用对象

functioncreatAjax()

{

varHttpRequest=false;

try{

HttpRequest=newXMLHttpRequest();

}catch(e){

vararrXMLHTTP=["Msxml3.XMLHTTP","Msxml2.XMLHTTP","Microsoft.XMLHTTP"];

for(vari=0;i<arrXMLHTTP.length;i++){

try{

HttpRequest=newActiveXObject(arrXMLHTTP[i]);

}catch(e){}

if(HttpRequest)break;

}

}

returnHttpRequest;

}