rem: this.bookmarks.getFolderReadonly(asFolder(aNode).folderId); 
add: this.bookmarks.getFolderReadonly(aNode.itemId); 
context:   isReadonlyFolder: function(aNode) {    NS_ASSERT(aNode, "null node");    return this.nodeIsFolder(aNode) &&           this.bookmarks.getFolderReadonly(asFolder(aNode).folderId);  },
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/243b62a8ce8df00fc8e0e7b711c96a8739c3f54a/utils.js/buggy/browser/components/places/content/utils.js