         if (instance == verticalScrollBar)
         {
         	verticalScrollBar.addEventListener("valueCommit", vsb_valueCommitHandler);
-        	//verticalScrollBar.minHeight = 0;
         }
         
         if (instance == horizontalScrollBar)

            {
                case Keyboard.LEFT:
                case Keyboard.RIGHT:
                    hspDelta = vp.horizontalScrollPositionDelta(event.keyCode);
                    break;
            }

                case Keyboard.PAGE_DOWN:
                case Keyboard.HOME:
                case Keyboard.END:
                     vspDelta = vp.verticalScrollPositionDelta(event.keyCode);
                     break;
            }
            if (!isNaN(vspDelta))
            {
