code: function(ev) {
                  var x = ev.pageX;
                  if (!x && 0 !== x) {
                      x = ev.clientX || 0;
  
                      if ( this.isIE ) {
                          x += this._getScrollLeft();
                      }
                  }
  
                  return x;
              }
docs: Returns the event's pageX
  @method getPageX
  @param {Event} ev the event
  @return {int} the event's pageX
  @static