});
// The user slider for the level 
function UserSlider (in_Level, in_Slider) {  
  Property = "X";
  Len = "Width"; 
  
  // The function for calculating the slider position in relation to the level 
  function Move(){
     in_Slider[Property] = in_Level.Value * (in_Level[Len] -50) / 100;
  };
                         
  // Subscription to the events
  IR.AddListener(IR.EVENT_ITEM_PRESS, in_Level, Move); // pressing on the level
  IR.AddListener(IR.EVENT_MOUSE_MOVE, in_Level, Move); // moving the mouse on the level 
  IR.AddListener(IR.EVENT_TOUCH_MOVE, in_Level, Move); // moving the finger on the level 
  IR.SetInterval(600, Move);
};</code>

You can download full working example using the [link]