$(document).ready(function(){
  $(".amenu").click(function() {
    var id = $(this).attr("id");
    if( $( "#submenu_"+id ).attr("id") != undefined )
    {
      if( $( "#submenu_"+id ).css("display") == "block" )
      {
        $( "#submenu_"+id ).css("display","none");
      }
      else
      {
        $( "#submenu_"+id ).css("display","block");
      }
    }
  });
  var path = document.location.pathname;
  var t = path.split('/');
  var category = t[2];
  var catID = $("#" + category).attr('class');
  $('#' + category).addClass('active');
  $("#submenu_" + catID).css('display', 'block');
});