k i dunno if somebody has already posted this but this is really cool
http://www.w3junkies.com/toocool/join.php
Solves the problem of having to debug for ie (if only to avoid extra work( course it is also useful if you dont wanna clutter up your code with hacks and bad compliency). Anyway, delete this if it has been posted already, but otherwise, i say check it out!