Horiz menu/ sub menu / Gunny sack

Hi,
This is a bit of a Menu gunny sack - sorry! I'm still on AHP 3.3.2

What's the best way to have the drop down menu fly to the left instead of right? I have a menu that flies past the right edge of the site, so a left fly-out would be good.

Also as an aside: I made my menu centered and equally spaced with a CSS insert that modified the ul.rMenu li to a percentage width ( 100/{number of menu items} )and a center text align. It suits my purpose but messes up the submenu width - it is different in IE and Firefox. Thoughts?

Lastly Is it possible to unlink submenu items? (so that only the sub-sub menu items are clickable)

Thanks so much!

Ken D