TickmarkDoubleClick Property

// The client event TickmarkDoubleClick takes two parameters sender and e
// sender  is the object which is raising the event
// e is the SliderTickmarkMouseEventArgs
   function WebSlider1_TickmarkDoubleClick(sender, e) {

          var slider = $find("WebSlider1");

          //Gets the slider value
          var value = slider.getValue(0);

          //Gets percent between edge of track bar and location of mouse
          var percent = e.get_percent();

          window.status = "After double clicking the tickmark the value is " + value + " and the percent is " + percent + "%";

      }