function GetXmlHttpObject(handler)
{
    var objXMLHttp=null
    if (window.XMLHttpRequest)
    {
        objXMLHttp=new XMLHttpRequest()
    }
    else if (window.ActiveXObject)
    {
        objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
    }
    return objXMLHttp
}

function stateChanged()
{
    if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
    {
            document.getElementById("txtResult").innerHTML= xmlHttp.responseText;
    }
    else {
            //alert(xmlHttp.status);
			//document.getElementById("txtResult").innerHTML="paused"
            //setTimeout("htmlData('readfile.php')", 4000);
    }
}

// Will populate data based on input
function htmlData(url)
{
    if (url.length==0)
    {
        document.getElementById("txtResult").innerHTML=""; 
        return;
    }
    xmlHttp=GetXmlHttpObject()
    if (xmlHttp==null)
    {
        alert ("Browser does not support HTTP Request");
        return;
    }

     
    url=url+"?sid="+Math.random();
    xmlHttp.onreadystatechange=stateChanged;
    xmlHttp.open("GET",url,true) ;
    xmlHttp.send(null);
}