function initMenu(activeMenuItem) {
  $('#nav ul').hide();
  
  
  // Open submenu
  $('#menu_id_'+activeMenuItem+' ul').show();
  

  
  //$('#nav ul:first').show();
  $('#nav li a').click(
    function() {
      
      var urlLocation = $(this).attr('href');
    	
      var checkElement = $(this).next();
      if((checkElement.is('ul')) && (checkElement.is(':visible'))) {
    	  window.location = urlLocation;
        return false;
        }
      if((checkElement.is('ul')) && (!checkElement.is(':visible'))) {
    	  $('#nav ul:visible').slideUp('normal');
    	  checkElement.slideDown('normal',function(){
    		  window.location = urlLocation;
    	  });
    	  return false;
       }else{
    	   window.location = urlLocation;
      }    
    });
  
  }