if(window.XMLHttpRequest) //Mozilla
{
req=new XMLHttpRequest();
req.open("GET",file,true);
req.overrideMimeType("text/xml");
req.send(null);
req.onreadystatechange=function()
{
if(req.readyState==4)
{
xmldoc =req.responseXML.documentElement;
getData(id,Oper_Flag);
}
};
}
这段代码要在火狐上能运行要怎么改呀