docs: function() {
          this.events = new OpenLayers.Events(this, this.div, null, true);
  
          function onTouchstart(evt) {
              OpenLayers.Event.stop(evt, true);
          }
          this.events.on({
              "mousedown": this.onmousedown,
              "mousemove": this.onmousemove,
              "mouseup": this.onmouseup,
              "click": this.onclick,
              "mouseout": this.onmouseout,
              "dblclick": this.ondblclick,
              "touchstart": onTouchstart,
              scope: this
          });
          
       }