var xmlDoc=null;
if (window.ActiveXObject)
{// code for IE
	xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
}
else 
if (document.implementation.createDocument)
{// code for Mozilla, Firefox, Opera, etc.
	xmlDoc=document.implementation.createDocument("","",null);
}
else
{
	alert('Your browser cannot handle this script');
}                   								
if (xmlDoc!=null)
{
	xmlDoc.async=false;
	xmlDoc.load("files/cd_catalog.xml");
}