function feedback(){

	var name = "#skyscrapper";

	var menuYloc = null;

	





	menuYloc = parseInt($(name).css("top").substring(0,$(name).css("top").indexOf("px")))

	$(window).scroll(function () {

		var offset = menuYloc+$(document).scrollTop()+"px";

		$(name).animate({top:offset},{duration:500,queue:false});

	});

}