jQuery(document).ready(function() {

     
     
    $('#menu-portfolio-menu li, #menu-main-menu li').hover(
        function () {
            //show its submenu
            $('ul', this).slideDown(100);
 
        },
        function () {
            //hide its submenu
            $('ul', this).slideUp(100);        
        }
    );
    
    $(function() {
	var zIndexNumber = 1000;
	$('div').each(function() {
		$(this).css('zIndex', zIndexNumber);
		zIndexNumber -= 10;
	});
});
     
        
});