$(document).ready(function() {
	positionFooter();
	$(window).scroll(positionFooter).resize(positionFooter);

	function positionFooter() {
		var docHeight = $(document.body).height() - $("#sticky-footer-push").height();
		if (docHeight < $(window).height()) {
			var diff = $(window).height() - docHeight;
			if (!$("#sticky-footer-push").length > 0) {
				$("#footer").before('<div id="sticky-footer-push"></div>');
			}
			$("#sticky-footer-push").height(diff);
		}
	}
});