Goto Scroll Smooth Animation

smooth-scroll.js

/* requires jquery */
jQuery(function($){
    var jump = function(e) {
        if(e){
            e.preventDefault();
            var href = $(this).attr("href");
            var hashvalue = '';
            if( href.length != 0){
                var site_url = href.split('#')[0];
                hashvalue = href.substr(href.indexOf("#"));
                target = hashvalue.substr(0, hashvalue.indexOf('-'));
                //site_url needs to be sent as localized value
                window.location = site_url + target + '-goto';
            }
        } else {
            hashvalue = location.hash;
            target = hashvalue.substr(0, hashvalue.indexOf('-'));
        }
        if( $(target).length != 0){
            $('html,body').animate({
                scrollTop: $(target).offset().top - 120
            }, 1000, function() {
                location.hash = hashvalue;
            });
        }
    };

    $('a[href*="#"]:not([href="#"])').bind("click", jump);
    
    $(window).on('load', function(e){
        if (location.hash){
            jump();
        }
    });    

});