Show submenu's submenu on submenu hover only

Question

I am trying to show the submenu on hovering the menus. I have succeeded in submenu level 1. But when I go to submenu level 2(ie, submenu of submenu) it is not working. I wan

Answer 1

jQuery(function(){
            topNav = jQuery('ul.topnav > li > a');
            if(jQuery(topNav).hasClass('hover')){
                        return
            }
            jQuery(topNav).hover(function(){
                    jQuery(this).addClass('hover');
                    jQuery(this).next('.subnav').slideToggle('', function(){                        
                        jQuery(topNav).removeClass('hover');
                });
            });
        });