var name = "#cartContainer";
var menuYloc = null;

$(document).ready(
		function() {
			menuYloc = parseInt($(name).css("top").substring(0,
					$(name).css("top").indexOf("px")))
			$(window).scroll( function() {
				offset = menuYloc + $(document).scrollTop() + "px";
				$(name).animate( {
					top : offset
				}, {
					duration : 500,
					queue : false
				});
			});
		});