function hiliteNav() {
  var curpage = window.location.href;
  var local1 = "/sanfrancisco";
  var local2 = "/newyork";
  var buzz = "/buzz";
  var b = document.getElementById('b');
  var c = document.getElementById('c');
  var bLinks = b.getElementsByTagName('a');
  var cLinks = c.getElementsByTagName('a');

  if((curpage.indexOf(local1) != -1) || (curpage.indexOf(local2) != -1)) {
    cLinks[0].className += " selected";
    bLinks[0].className = "main_nav";
  }else if(curpage.indexOf(buzz) != -1) {
    bLinks[0].className += " selected";
    cLinks[0].className = "main_nav";
  }
}