window.onload = function () {
  scroller  = new jsScroller(document.getElementById("Container"), 540, 395);
  scrollbar = new jsScrollbar(document.getElementById("Scrollbar-Container"), scroller, true);
  scrollTween = new jsScrollerTween(scrollbar, true);
  scrollTween.stepDelay = 30;
  
  scrollbar._moveContentOld = scrollbar._moveContent;
  scrollbar._moveContent = function () {
    this._moveContentOld();
    var percent = this._y/(this._trackHeight - this._handleHeight);
    document.getElementById("sbLine").style.top = Math.round((this._handleHeight - 5) * percent) +"px";
  };  
}