var JQUERY4U = {}
JQUERY4U.UTIL = {
    /*
    *   Utility function used to make anchor links animate smoothly instead of jumping.
    */
    smoothAnchor: function (anchorClass)
    {
        $('a.'+anchorClass).click(function () {
            elementClick = $(this).attr("href")
            destination = $(elementClick).offset().top;
            $("html:not(:animated),body:not(:animated)").animate({ scrollTop: destination}, 1100 );
            return false;
        })
    }
}

<script type="text/javascript">
$(document).ready(function() {
   JQUERY4U.UTIL.smoothAnchor('anchorLink');
});
</script>