Forgive me if this item is over priced, but I was surfing ebay and saw these. I don't know what the typical prices are for an adjustable switch. Someone on here might be interested so I thought I would share.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33586&item=2456839800
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33586&item=2456839800