code: function(evt) {
          this.events.triggerEvent("beforegetfeatureinfo", {xy: evt.xy});
          // Set the cursor to "wait" to tell the user we're working on their
          // click.
          OpenLayers.Element.addClass(this.map.viewPortDiv, "olCursorWait");
          this.request(evt.xy, {});
      }
docs: Method: getInfoForClick
  Called on click
  
  Parameters:
  evt - {<OpenLayers.Event>}