$(document).ready(function(){
   $('.submeni').hide();   
   $('.submeni').mouseleave(function(){
            $(this).hide();
   })
   
   $('#navBar li.glmeni').mouseover(function(){
        var submeni = this.getElementsByTagName("ul");
        $(submeni).show();
   });
   
   $('#navBar li.glmeni').mouseleave(function(){
        var submeni = this.getElementsByTagName("ul");
        $(submeni).hide();
   });
   
});