rem: loadFolderView((gCurrentFolderView + 1) % kNumFolderViews); 
add: var offset = aCycleForward ? 1 : kNumFolderViews - 1; loadFolderView((gCurrentFolderView + offset) % kNumFolderViews); 
context: function CycleFolderView(){  // pass the call onto loadFolderView...  loadFolderView((gCurrentFolderView + 1) % kNumFolderViews);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/dd57cd0f7dc4f31b98b6ae21d9e91fe2762f11b7/msgMail3PaneWindow.js/buggy/mail/base/content/msgMail3PaneWindow.js