Radio Shack didn't have exactly what I need. But this is fairly close
http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&category%5Fname=CTLG%5F011%5F002%5F015%5F002&product%5Fid=275%2D644
a momentary switch. but i want the circuit to be closed normally and open when your...