rem: newSrc = QxTreeElement._blankURI; 
add: newSrc = (new QxImageManager).getBlank(); 
context: proto._renderImplNavigation = function(){  if (!this.isCreated()) {    return true;  };  // Omit rendering if no parentTree is defined.  // If there will be a new parentTree rendering will be started  // through parentTree modifier.  var vParentTree = this.getParentTree();  if (!vParentTree) {    return true;  };  // this.debug("R-Navigation[" + this.getLabel() + "]...");  var newSrc;  if (!vParentTree.useTreeLines())  {    if (!this.hasChildren())    {      newSrc = QxTreeElement._blankURI;    }    else if (this.getOpen())    {      newSrc = this._navigationSimpleMinusURI;    }    else    {      newSrc = this._navigationSimplePlusURI;    };  }  else  if (this.isLastChild())  {    if (!this.hasChildren())    {      newSrc = this._navigationEndURI;    }    else if (this.getOpen())    {      newSrc = this._navigationEndMinusURI;    }    else    {      newSrc = this._navigationEndPlusURI;    };  }  else  {    if (!this.hasChildren())    {      newSrc = this._navigationCrossURI;    }    else if (this.getOpen())    {      newSrc = this._navigationCrossMinusURI;    }    else    {      newSrc = this._navigationCrossPlusURI;    };  };  // apply  if (newSrc != this._navigationImage.src)  {    this._navigationImage.src = newSrc;  };  return true;};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/070e417b9275677e26a7e38b7dd7eb001d9f8b5e/QxTreeFolder.js/clean/qooxdoo/source/script/widgets/QxTreeFolder.js