var xmlHttpFacebookPopularArticles
function getFacebookPopularArticles()
{
	xmlHttpFacebookPopularArticles=GetXmlHttpObjectFacebookPopularArticles();
	if (xmlHttpFacebookPopularArticles==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}
	
	var url="getFacebookPopularArticles.php";
//	url=url+"?term="+term;
	url=url+"?stid="+Math.random();
	//alert(url);
	xmlHttpFacebookPopularArticles.onreadystatechange=stateChangedGetFacebookPopularArticles;
	xmlHttpFacebookPopularArticles.open("GET",url,true);
	xmlHttpFacebookPopularArticles.send(null);
} 

function stateChangedGetFacebookPopularArticles() 
{ 
	if (xmlHttpFacebookPopularArticles.readyState==4 || xmlHttpFacebookPopularArticles.readyState=="complete")
	{
		//alert(xmlHttpFacebookPopularArticles.responseText);
		document.getElementById("facebookPopularArticles").innerHTML	= xmlHttpFacebookPopularArticles.responseText;
	}
} 

function GetXmlHttpObjectFacebookPopularArticles()	{
	var xmlHttp=null;
	try	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try	{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)	{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}