That's interesting.. I didn't know THIS_SCRIPT was capable of identifying AJAX. I honestly didn't think vBulletin would bother passing along $_GET info through AJAX either, but I guess it must require it in the first place. I guess I'm also assuming THIS_SCRIPT uses a get or request, also.

I really don't know the inner workings of vBulletin like the back of my hand, so I guess I'll just change my response to "Huh!" and be glad there is a solution.
-------
I had actually
tried very very hard to find a solution too.. Guess I should also brush up on my Google skills.