/**
 * @author elbosman
 */
function changeTopImage(who)
{
	var url = who.firstChild.src;
	url = url.replace('thumb','front');
	document.getElementById('top_image').src = url;
	return false;
}

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

  return xmlHttp;
}