function doAJAX(url)
{
    if (typeof XMLHttpRequest != "undefined")
        req = new XMLHttpRequest();
    else
    if (window.ActiveXObject)
        req = new ActiveXObject("Microsoft.XMLHTTP");
    req.open("GET", url, true);
    req.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
    req.onreadystatechange = callbackChangeLocation;
    req.send(null);
}

function callbackChangeLocation()
{
    if (req.readyState == 4)
    {
        if (req.status == 200)
        {
			if(req.responseText !='0')
			{
//				alert('Log File Has Been Generated Successful...');
				//document.fdbck.mail.focus();
			}
		}
	}
}

function showUser(str)
{ 
	 var url="logFile.php"
	 url=url+"?q="+str
	 url=url+"&sid="+Math.random()
	 doAJAX(url);
}