var name = "#floatMenu";
var menuYloc = null;
$(function(){
	menuYloc = parseInt($(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
		});
	});
});