function ajaxFunction()
{
var xmlHttp;
try
{
// Firefox, Opera 8.0+, Safari
xmlHttp=new XMLHttpRequest();
}
catch (e)
{
// Internet Explorer
try
{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
try
{
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e)
{
alert("您的浏览器不支持AJAX!");
return false;
}
}
}
xmlHttp.onreadystatechange=function()
{
if(xmlHttp.readyState==4)
{
var ajaxhtml=xmlHttp.responseText;
if(ajaxhtml!="无"){
document.getElementById('newinfo').innerHTML=ajaxhtml
}
}
}
xmlHttp.open("GET","newinfo.asp",true);
xmlHttp.send(null);
}
如果把文中的newinfo.asp改成任意的外部网址 就会报错.谁能解答一下?