   value = region.y;
          $('.mouseoverregion').text("x=" + region.x + " y=" + region.y);
        }).bind('mouseleave', function () {
          $('.mouseoverregion').text('');
        });
      }

      /**
       ** Draw the little mouse speed animated graph
       ** This just attaches a handler to the mousemove event to see
       ** (roughly) how far the mouse has moved
       ** and then updates the display a couple of times a second via
       ** setTimeout()
       **/
      function drawMouseSp