I am working on a site that I need to float a div over an image, a slideshow really. The div will contain buttons and a search form. Looks good in IE 6.0 but does not work in FF or Netscape.

Link to the site is http://woodallcreative.com/proofs/krk/new/

This is the protion of the css that is not working
Code:
.trio {
width: 712px;
top: 504px;
position: absolute;
float: left;
margin-left: 10px;
text-align: center;
z-index: 1001;
}
I know the css is not the most elegant or for that matter entirely correct, but this is what I am working with.

Any assistance or help pointing me in the right direction would be greatly appreciated.