Scroll To

scrollTo.js

$('a.scroll').click(function (event) {
        event.preventDefault();
        var full_url = this.href;
        var parts = full_url.split("#");
        var trgt = parts[1];
        if (trgt && $("#" + trgt).length) {
            var target_offset = $("#" + trgt).offset();
            var target_top = target_offset.top - 100;
            $('html, body').animate(
                    {scrollTop: target_top}, //properties to animate
                    {
                        duration: 500,
                        complete: function () {}
                    }
            );
        }
    });