function mainmenu(){
	$(".sidebar .users_menu_class ul ul").css({display: "none"}); // Opera Fix
	
	$(".sidebar .users_menu_class ul li").hover(function(){
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(1);
	},function(){
		$(this).find('ul:first').css({visibility: "hidden", display: "none"});
	});
}

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