The following snippet will create a smooth sliding effect when a link with the topLink class is clicked.

scrollAnchor

$(document).ready(function() {
	$("a.topLink").click(function() {
		$("html, body").animate({
			scrollTop: $($(this).attr("href")).offset().top + "px"
		}, {
			duration: 500,
			easing: "swing"
		});
		return false;
	});
});

//http://snipplr.com/view.php?codeview&id=26739