/**
 * scan all link in top menu and match link.
 * If match link add the class name "menu-actived"
 * If not match any Home link will actived.
 */
var thispage = new String(self.location);
thispage = thispage.replace(/[?][^?]+/ig, '');
//alert(thispage);
var homeLink;
$('#site-menu > a').each( function(i) {
  
  if(i == 0) {
    homeLink = this;
  }
  if(this.href.indexOf(thispage) >= 0) {
    $(this).addClass('menu-actived');
    $(this).wrapInner($("<span class='menu-actived'></span>"));
    homeLink = null;
    return false;
  }

  return true;
});

if(homeLink != null) {
  $(homeLink).addClass('menu-actived');
}