$(function () {

    $(".scrollWrapper").bind("mouseover", function () {
        $("#viewer").smoothDivScroll("stopAutoScroll");
    });


    $(".scrollWrapper").bind("mouseout", function () {
        $("#viewer").smoothDivScroll("startAutoScroll");
    });

    $("#ltr").bind("click", function () {
        $("#viewer").smoothDivScroll("option", "autoScrollDirection", "endlessloopleft");

    });

    $("#rtl").bind("click", function () {
        $("#viewer").smoothDivScroll("option", "autoScrollDirection", "endlessloopright");
    });

    $("#viewer").smoothDivScroll({ 
        autoScroll: "always",
        autoScrollDirection: "endlessloopright", 
        autoScrollStep: 1, 
        autoScrollInterval: 15  
    });

});