horizontal menu with horizontal submenu

[rwtogc21]

I am trying to make an horizontal menu with horizontal submenu. I've tried something but it didn't work : the code above was supposed to display the horizontal main menu , when you hover on one of the links the color of the link changes and an horizontal submenu appears.html code: \[code\]<div id="menu"> <ul> <li style="float: left; a:hover; "><a href="http://stackoverflow.com/questions/11541467/acceuil.html" style="color : #CBCAC7 ;">ACCEUIL</a>&nbsp;&nbsp;<img src="http://stackoverflow.com/questions/11541467/decoupage/puce_menu.png" height="15"/> <ul> <li style="float: left; display: none; "><a href="http://stackoverflow.com/questions/11541467/#">Pr