Is their a good customizable javascript side column menu code that anyone here knows of, that's free to use? I'm trying to find a simple one through google and I haven't found anything that great yet that is simple and will pop out when you scroll over the link button. If anyone knows of one that they've worked with before and they like it, let me know. Thanks!

Search here: http://mootools.net/ (Not sure if this kind of advertising is allowed.)
You'll find what you need. I'll try looking in for ya.

/ Try this http://mootools.net/docs/more/Fx/Fx.Slide#Element:slide