function setCurrentPage() { 
	var current = window.location.href; 
    var nav = document.getElementById('nav'); 
    var navBar = nav.getElementsByTagName('a'); 
    var x; 
    var navBarLength = navBar.length;
    	for (x=0; x < navBarLength; x++) { 
        	if (current == navBar[x].href) 
			{ 
    		navBar[x].className = 'navActive'; 
           }
      } 
}