[рони]

jurvrn,

jQuery(function (f) {
    var element = f("#workman-top");
    f(window).on("scroll touchmove",function (event) {
        var limit = event.type == "scroll" ? 100 : 300;
        element["fade" + (f(this).scrollTop() > limit ? "In" : "Out")](300);
    }).trigger("scroll");
});