$(document).ready(function(){
	$("ul#nav li:has(ul)").addClass("submenu");
   	$("ul#nav li.submenu").hover(
	   	function(){
	   	    $(this).children("li.submenu > a").css("background","transparent url( 'https://www.epals.com/images/LAYOUT/common/nav_sprite.gif') 121px -41px no-repeat");
	   		//$(this).children("ul").stop();
	   		$(this).children("ul").css("height","");
		   	$(this).children("ul").slideDown("fast");
		   	//$(this).children("ul").show();
		},function(){
		   $(this).children("li.submenu > a").css("background","transparent url( 'https://www.epals.com/images/LAYOUT/common/nav_sprite.gif' ) 123px -69px no-repeat");
		   $(this).children("ul").stop();
		   //$(this).children("ul").slideUp("fast");
		   $(this).children("ul").hide();
		}
	);
});