$(function() {
	// activate back button if there is a referrer and the referrer is local to site, and the referrer is not this page
	if(document.referrer && document.referrer.indexOf(jpSiteURL) == 0 && document.referrer != document.location.href) {
		$('<a href="#">Back</a>')
			.appendTo( $('#headline') )
			.click( function() {
				document.location.href = document.referrer;
				return false;
			});
		}
});