Where can I find the contents of $quickchooserbits?

[Merriweather]

I built my own style selector similar to what is here on vB.org. It has little square images as the preview of the style, and it changes the style when you click one. I based it off of the standard quick chooser drop down menu form.

The only thing that isn't working is that when you choose one, it goes back to the home page instead of reloading the existing page with the new style. I can't figure out why, since I've essentially copied all of the code for the changer... I thought perhaps there was something extra in the $quickchooserbits that would make it all make sense, but no luck.

The form action is:

<form action="$vboptions[forumhome].php" method="get" style="clear:$stylevar[left]">

...which clearly calls the forum index... but I am just stumped because that's what the default quick chooser uses...