$(window).load(function(){
    $('#menu-scroll a, #return2top a').click(function()
    {
            var haystack = $(this).attr('href').split('#');
            var hash = haystack['1'];
			var point = $('a[name=' + hash + ']').offset().top;
			//console.log($('a[name=' + hash + ']'))
			//alert(point);
            $('html,body').animate({scrollTop: point - 20}, 300);
            return false;
    });

    $(window).scroll();
});

$(window).scroll(function(){
    var link = $('#return2top');
    var link_top = link.offset().top;
    if ( link_top > $(window).height()){
        link.show();
    }else{
        link.hide();
    }
});