rem: canDestroy:       function canDestroy(prompt) { return false; }, 
add: optgroupObject.prototype.canDestroy = function canDestroy(prompt) {  return gDialog.nextChild(treeSelection.currentIndex) - treeSelection.currentIndex == 1; /*&& (!prompt || ConfirmWithTitle(GetString("DeleteOptGroup"), GetString("DeleteOptGroupMsg"), GetString("DeleteOptGroup"))); */ }; 
context:     canDestroy:       function canDestroy(prompt)    {      return false;    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ba19e76b3af7269baf66e2c57c523119f007ec99/EdSelectProps.js/clean/editor/ui/dialogs/content/EdSelectProps.js