// light up active navigation elements

var urlNoQueryString = location.href.replace(location.search,"");

if(document.getElementById("menu")) {
  var navEls = document.getElementById("menu").getElementsByTagName("a");
  for (var i=0; i<navEls.length; i++) {
    if(navEls[i].href==location.href || navEls[i].href==urlNoQueryString) {
      //alert('found nav match');
      navEls[i].className+=" active";    
    }
  }
}