$(function() {		var top = $('#header').offset().top;		var scrollTarget = parseInt($('#header').height()) + 100;		var stickyNav = function(){			var scrollTop = $(window).scrollTop();			if (scrollTop > scrollTarget) {				if ($('#header.container-sticky').length == 0) {					clone = $('#header').before($('#header').clone(true));					$(clone).addClass('container-sticky');					$(clone).css('margin-top', -$('#header').height());					$(clone).animate({ marginTop: 0, }, 500);				}			}			if (scrollTop > 0 && scrollTop < scrollTarget) {					$('#header.container-sticky').animate({ marginTop: -$('#header').height()}, 350, function() {					$('#header.container-sticky').remove();			});}			if (scrollTop > 0 && scrollTop < scrollTarget - 100) {					$('#header.container-sticky').remove();			}		};		stickyNav();		$(window).scroll(function() {			stickyNav();		});	});