var timeout = 0;
            var closetimer = 0;
            var ddmenuitem = 0;
            function nav_open()
            {    nav_canceltimer();
                nav_close();
                ddmenuitem = $(this).find('.stair').eq(0).css('display', 'block');}
            function nav_close()
            {    if(ddmenuitem) ddmenuitem.css('display', 'none');}
            function nav_timer()
            {    closetimer = window.setTimeout(nav_close, timeout);}
            function nav_canceltimer()
            {    if(closetimer)
                {    window.clearTimeout(closetimer);
                    closetimer = null;}}
            $(document).ready(function(){    
                $('#navss > li').bind('mouseover', nav_open);
                $('#navss > li').bind('mouseout',  nav_timer);
            });
			$(document).ready(function() {$('.classmid').hover(function() {
																	$(this).addClass('hover');
																	},function() {$(this).removeClass('hover');});}
				  );