// JavaScript Document
var previous_element = null;
function do_wiget(element,box){
xmlhttp=GetXmlHttpObject();
url = widget_base + 'popular4.php?what='+box;
xmlhttp.onreadystatechange=stateChanged1;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);


	
function stateChanged1()
{
  if (xmlhttp.readyState==4)
    {
   	document.getElementById('compare_widget').innerHTML = xmlhttp.responseText;
	document.getElementById(element).className = 'active';
	if(previous_element != null){
	document.getElementById(previous_element).className = '';	
	}
	previous_element = element;
	}
  }
}

	

	//alert(location.href);


function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}