function ajaxGetData(url,plh)
{ 
    var rndnum = Math.floor(Math.random()*11);
    url = url + "?rnd=" + rndnum;
	var req = null; 
	var response = "";

	if(window.XMLHttpRequest)
		req = new XMLHttpRequest(); 
	else if (window.ActiveXObject)
		req  = new ActiveXObject(Microsoft.XMLHTTP); 

	req.onreadystatechange = function()
	{ 
		if(req.readyState == 4)
		{
			if(req.status == 200)
			{
				response = req.responseText;	
			}	
			else	
			{
			    //response = "Error: returned status code " + req.status + " " + req.statusText;
				response = "";
			}	
			document.getElementById(plh).innerHTML = response;
		} 
	}; 
	req.open("GET", url, true); 
	req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
	req.send(null); 
}