@Firesphere: What do you mean by 'IE doesn't like "this.window =" '? Which version of mootools are you using? And for which version of IE? As far as I know, even the latest mootools 1.3 still supports IE 6, and I've never had a problem loading mootools (core) into IE 6 or later. OK, IE is sometimes picky & buggy, and…