rem: for (var i in this._themes) 
add: for (var i in this._iconThemes) 
context: proto._checkIconTheme = function(propValue){  if (this._iconThemes[propValue]) {    return propValue;  };    for (var i in this._themes)   {    if (this._iconThemes.title == propValue) {      return i;    };  };    throw new Error("Invalid icon theme id/title: " + propValue + "!");};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/b8839390fcf358d1d3af1e061ae1f5373ea9a86d/QxImageManager.js/buggy/qooxdoo/source/script/managers/QxImageManager.js