<script language=javascript>
function getUrl(URL)
{
var xmlhttp = new ActiveXObject("microsoft.xmlhttp");
xmlhttp.Open("GET",URL, false);
try
{
xmlhttp.Send();
}
catch(e){}
finally
{
var result = xmlhttp.responseText;
if(result)
{
if(xmlhttp.Status==200)
return(true);
else
return(false);
}
else
return(false);
}
}
if(getUrl("http://www.126.com"))
alert("網(wǎng)址正確!");
else
alert("找不到網(wǎng)頁!");
</script>
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