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Код

function k_menu()
{
        // k_menu controlls the dropdown menus and improves them with javascript
        
        jQuery(".menu a, .catnav a").removeAttr('title');
        jQuery(" .menu ul, .catnav ul ").css({display: "none"}); // Opera Fix
        
        
        // remove the last border from category menu item if there are 7 items, that border is not needed
        if(jQuery(".catnav>li").length >= 7)
        {
                jQuery(".catnav>li:last").addClass('noborder');
        }
        
        
        //set equal height for all category main items, in case a description is too long
        var mainitem = jQuery(".catnav>li>a");
        mainitem.each(function()
        {
                if(jQuery(this).height() < 34)
                {
                        jQuery(this).css({height:"34px"});
                }
        });
        mainitem.equalHeights();
        
        
        
        //smooth drop downs
        jQuery(".menu li, .catnav li").each(function()
        {       
                
                var $sublist = jQuery(this).find('ul:first');
                
                jQuery(this).hover(function()
                {       
                        $sublist.stop().css({overflow:"hidden", height:"auto", display:"none"}).slideDown(400, function()
                        {
                                jQuery(this).css({overflow:"visible", height:"auto"});
                        });     
                },
                function()
                {       
                        $sublist.stop().slideUp(400, function()
                        {       
                                jQuery(this).css({overflow:"hidden", display:"none"});
                        });
                });     
        });
}