UPDATE - The mystical vanishing contact form in FF has been fixed. Had to use the JotForm <iframe> code vs the standard one to resolve the conflict. Works ok now at least for me in FF 3.6.

Thanks again STP_Cowboy for that heads up.

Also, it appears the flickering <iframe> scrollbar issue is one in a long line of glitches in IE7. Doesn't do it in IE8.