$(document).ready(function () {

	$(window).scroll(function () {

		var value = $(this).scrollTop();

		if (value > 30) {
			$("header").addClass("small");
			$("#boothtag-logo").attr("src", "/images/boothtag-logo-small.jpg");
			$("#blogSidebar").addClass("blog-right-column-fixed");
		} else {
			$("header").removeClass("small");
			$("#boothtag-logo").attr("src", "/images/boothtag-logo.jpg");
			$("#blogSidebar").removeClass("blog-right-column-fixed");
		}

	});


});