function scrd(){

alert('a');
    if (event.wheelDelta >= 120){
        sd.doScroll("Left");sd.doScroll("Left");sd.doScroll("Left");sd.doScroll("Left");sd.doScroll("Left");sd.doScroll("Left")
}
    else if (event.wheelDelta <= -120){
        sd.doScroll("Right");sd.doScroll("Right");sd.doScroll("Right");sd.doScroll("Right");sd.doScroll("Right");sd.doScroll("Right")
}

    return false;

}