Dave:
Thanks for the tip! I installed the FF validator and I found the problem. I was missing an "=" sign in the <option> statements. Nothing too glaringly wrong when reviewing tons of HTML code. It was created as <option value "United States"...> instead of <option value="United States"...>. The validator also showed several other warnings which I will correct as well. I guess FF is less forgiving than IE
There are a lot of warnings related to "proprietary attributes" which FF converted to "style ..." attributes. 'll get those as well.
Thanks again!
John