document.observe("dom:loaded", function() {
  As = $$('nav li a');
  var hasSelected = false;
  for (i=0;i<As.length;i++) {
		if(document.location.href.indexOf(As[i].href)>=0) {
		  As[i].addClassName('selected');
		  hasSelected = true;
		}
  }
  if (hasSelected==false) {
    $('news').addClassName('selected');
  }
});