function extractPageName(hrefString)
{
  var arr = hrefString.split('.');
  arr = arr[arr.length-2].split('/');
  return arr[arr.length-1].toLowerCase();		
}

function setActiveMenu(arr, crtPage)
{
  for(var i=0; i < arr.length; i++)
  if(extractPageName(arr[i].href) == crtPage)
  {
    arr[i].className = 'current';
    arr[i].parentNode.className = 'current';
  }
}

function setPage()
{
  if(document.location.href) 
    hrefString = document.location.href;
      else
    hrefString = document.location;

    if (document.getElementById('navbar')!=null)
    setActiveMenu(document.getElementById('navbar').getElementsByTagName('a').extractPageName(hrefString));
}