function mainmenu(){

$(" #nav_419378 li").hover(function(){
		$(this).find('ul:first').css({opacity:0, visibility: "visible"}).animate({opacity:0.99},400);
		},function(){
		$(this).find('ul:first').css({visibility: "hidden"});
		});
}

 
 
 $(document).ready(function(){					
	mainmenu();
});