add: this._hintObject._addCssClassName("QxMenuButtonHint"); 
context: proto._pureCreateFillHint = function(){  this._hintObject = new QxContainer();  this._hintObject.setHtml(this.getHint());  this._hintObject.setAnonymous(true);  this._hintObject.setEnabled(this.isEnabled());  this._hintObject.setParent(this);};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/0501a0f30f2c584b11af0e02207758749640a40e/QxMenuButton.js/clean/qooxdoo/source/script/widgets/QxMenuButton.js