$(function() {
	$("a[href^=#]").scrollToAnchor(); // scroll to any link at default speed
	$("a.slowerScroll").scrollToAnchor({ speed: 2000 }); // scroll to links with class slowerScroll at half speed
});

jQuery.fn.scrollToAnchor = function(settings) {
	settings = jQuery.extend({ speed : 1000 }, settings);

	return this.each(function() {
		var self = $(this);
		self.click(function(e) {
			e.preventDefault();
			var href = self.attr("href");
			var target = $(href).offset().top;
			$("html:not(:animated), body:not(:animated)").animate({ scrollTop: target }, settings.speed, function() {
				window.location.hash = href;
			});
			return false;
		});
	});
};