function m2()
    {
     //$('#vertik').hide();
     $('#vertik').css({'visibility': 'hidden'});
    }
    function m1()
    {
     //$('#vertik').show();
     $('#vertik').css({'visibility': 'visible'});
    }
      $(function(){
      //$('#vertik').hide();
        $('#marks')
          .change(function(){
            var styleValue = $(this).val();
            adjustColorDropdown();
          })
          .change();
         $('#models')
          .change(function(){});
      });

      function adjustColorDropdown() {
       $('#vertik').css({'visibility': 'visible'});  
        var styleValue = $('#marks').val();
        var dropdownSet = $('#models');
        if (styleValue.length == 0) {
          dropdownSet.attr("disabled",true);
          dropdownSet.emptySelect();
        }
        else {
          dropdownSet.attr("disabled",false);
            $.getJSON(
            'getmee.php',
            {style:styleValue},
            function(data){
              dropdownSet.loadSelect(data);
            }
          );
        }
       // $('#vertik').css({'visibility': 'visible'});//visible
      }