$(document).ready(function() {
    var timer = 0;
    
   $('.meni ul > li').mouseover(function() {
        var hasSubmenu = $('#submenu-' + $(this).attr('id')).length;

        $('.submenu').hide();
        subMenuOpen = false;
        
        window.clearTimeout(timer);
  
        if (hasSubmenu) {
            $('#submenu-' + $(this).attr('id')).show();
            subMenuOpen = true;
        }
    });

   $('.submenu').mouseout(function() {
      timer = window.setTimeout(function() {
                                 $('.submenu').hide();
                                 
                                 subMenuOpen = false;
                             }, 500);
    });
});