/* PAGE HIGHLIGHTING */

function extractPageName(hrefString)
{
 var arr = hrefString.split('.');
 if(arr.length >= 2) {
  arr = arr[arr.length-2].split('/');
  return arr[arr.length-1].toLowerCase();
 } else {
  return "x";
 }
}
	
function setActiveMenu(arr, crtPage)
    {
	for (var i=0; i<arr.length; i++)
	{
	 if(extractPageName(arr[i].href) == crtPage)
	 {
	  if (arr[i].parentNode.tagName != "nav_left")
	   {
	      arr[i].className += " current";
	      arr[i].parentNode.className += " current";
	      arr[i].parentNode.parentNode.className += " current";	
	      arr[i].parentNode.parentNode.parentNode.className += " current";	
	      arr[i].parentNode.parentNode.parentNode.parentNode.className += " current";			
	               }
	      }
	  }
	}
	
function setPage()
     {
     hrefString = document.location.href ? document.location.href : document.location;
	if (document.getElementById("nav_left")!=null)
	     setActiveMenu(document.getElementById("nav_left").getElementsByTagName("a"), extractPageName(hrefString));
	}