code: function(add, target, type, handler, capture) {
  			var action = add ? 'addEventListener' : 'removeEventListener';
  			target[action](type, handler, capture);
  		}
docs: Private ................................................................. 
  Actual event registration has been isolated so that
  one may overwrite or overload this particular part.
  @param {boolean} add
  @param {Node} target
  @param {string} type
  @param {object} handler
  @param {boolean} capture