Thanks for kind help.. but see this line in your first post
margin-left: 100px;
This line was never in my code.. how u got it there??
well i tried both tricks you said..
you can check my code again.. but its still not working..

i m using IE 6

well here are links for css

http://www.mitsot.com/demo/include/main.css
http://www.mitsot.com/demo/include/menu_new.css


http://www.mitsot.com/demo/include/menu_new.js


Please you test yourself in html then let me know..

thanks..