Recently I decided to clean up all the spam from an abandoned phpBB forum of mine, there was a lot to delete. In the phpBB version that I use there is no option to "check all" topics you want to moderate. So I came up with a little bookmarklet to do this for me. Here it is, only improved to work within frames and toggle (check if not checked, uncheck otherwise) all checkboxes in sight. Tested in FF and IE6/7.
To install, add this to your bookmarks/favourites:
The reading friendly code: