Dropdown Search

Would love to use this extension, but it's not working for my needs. I have a site with multiple drop-downs where the next drop-down's content depends on what gets selected in the first drop-down. With the extension I can find what I'm looking for in the drop-down, but once I select it the next drop-down does not update accordingly. Sorry if this is confusing, but unfortunately the extension isn't fully working as I was expecting. :(

Doesn't work right away. I have to refresh a page for the extension to take effect.