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test.php
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test.php
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<html><head></head><body>
<div id="feed"></div>
<script type="text/javascript">
var refreshtime=200;
function tc()
{
asyncAjax("GET","myphpfile.php",Math.random(),display,{});
setTimeout(tc,refreshtime);
}
function display(xhr,cdat)
{
if(xhr.readyState==4 && xhr.status==200)
{
document.getElementById("feed").innerHTML=xhr.responseText;
}
}
function asyncAjax(method,url,qs,callback,callbackData)
{
var xmlhttp=new XMLHttpRequest();
//xmlhttp.cdat=callbackData;
if(method=="GET")
{
url+="?"+qs;
}
var cb=callback;
callback=function()
{
var xhr=xmlhttp;
//xhr.cdat=callbackData;
var cdat2=callbackData;
cb(xhr,cdat2);
return;
}
xmlhttp.open(method,url,true);
xmlhttp.onreadystatechange=callback;
if(method=="POST"){
xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
xmlhttp.send(qs);
}
else
{
xmlhttp.send(null);
}
}
tc();
</script>
</body></html>