IE6 layers will not float beside each other

[4now]

in IE6 only - two layers will not stay side by side
instead the second layer drops below

#sidebar {
margin: 0;
float: left;
width: 169px;
height: 100%;
opacity:1;
background-color: #130B0B;
z-index: 2;
position: fixed;
}

#transbox {
width: 585px;
height: 100%;
float: right;
margin: 0;
}

(also I would love if the dark band ran to the bottom)

http://sitespecifics.ca/temp/welstead/test2.html

[4now]

float drop fixed
would love to have the dark band fill 100% height