IE 5,6,7 / floats / bottom space problem

[mostwanted76]

webproject: www.slackliner.at/webfuzzy (http://www.slackliner.at/webfuzzy)

valid XHTML!
valid CSS!

problem: site brakes after i used floats to align the navation-list-items horizontally.

problem details: increased gap below the navigation elements and missing borders (top/bottom) of the list-elements of the navigation.

can anybody help? thanks!

yours

roland

PS: sorry for my bad english!

[gilyotina]

hey, take a look at the thread ive posted, maybe you'll find the answer there:
my post (http://webdeveloper.com/forum/showthread.php?t=179963)