$(document).ready(function() {
	function filterPath(string) {
		return string
			.replace(/^\//,'')
			.replace(/(index|default).[a-zA-Z]{3,4}$/,'')
			.replace(/\/$/,'');
		}
		var locationPath = filterPath(location.pathname);
		$('a[href*=#]').each(function() {
			var thisPath = filterPath(this.pathname) || locationPath;
			if (  locationPath == thisPath
			&& (location.hostname == this.hostname || !this.hostname)
			&& this.hash.replace(/#/,'') ) {
				var $target = $(this.hash), target = this.hash;
			if (target) {
				var targetOffset = $target.offset().top;
				$(this).click(function(event) {
					event.preventDefault();
					$('html, body').animate({scrollTop: targetOffset}, 400, function() {
						location.hash = target;
					});
				});
			}
		}
	});
});