code: function (el, sType, fn, obj, overrideContext) {
  
  				var capture = ((sType == FOCUSIN || sType == FOCUSOUT) && !YAHOO.env.ua.ie) ? true : false;
  
                  return this._addListener(el, this._getType(sType), fn, obj, overrideContext, capture);
  
          	}
docs: Appends an event handler
  
  @method addListener
  
  @param {String|HTMLElement|Array|NodeList} el An id, an element
  reference, or a collection of ids and/or elements to assign the
  listener to.
  @param {String}   sType     The type of event to append
  @param {Function} fn        The method the event invokes
  @param {Object}   obj    An arbitrary object that will be
  passed as a parameter to the handler
  @param {Boolean|object}  overrideContext  If true, the obj passed in becomes
  the execution context of the listener. If an
  object, this object becomes the execution
  context.
  @return {Boolean} True if the action was successful or defered,
  false if one or more of the elements
  could not have the listener attached,
  or if the operation throws an exception.
  @static