#menu {list-style-type:none; padding:0; margin:0 0 0 0px; z-index:2;}
#menu ul {list-style-type:none; padding:0; margin:0;}
#menu li { background:transparent; margin:0px 0px 0px 0px; border:1px solid #000; width:75px; height:75px;}
#menu li.sub {background:#aa1111; width:103px; height:25px;} 

/* for IE5.5 and IE6 only */

#menu li a {display:block; color:#000; height:25px; font-family:arial, sans-serif; font-size:11px; line-height:24px; width:85px; text-decoration:none; text-align:center;}
#menu li a table {position:absolute; left:0; top:-1px; border-collapse:collapse; width:0; height:0;}

#menu :hover {color:#fff; background:transparent; position:relative;}
#menu :hover > a {color:#fff; background:transparent;}

#menu ul, 
#menu :hover ul ul,
#menu :hover ul :hover ul ul,
#menu :hover ul :hover ul ul.left {visibility:hidden; width:0; height:0; overflow:hidden;}

#menu :hover ul {visibility:visible; overflow:visible; position:absolute; height:auto; width:103px; left:-10px;top:65px; background:url(../hover_drop_1/transparent.gif);} /* the background image is for IE7 */

#menu :hover ul :hover ul,
#menu :hover ul :hover ul :hover ul {visibility:visible; overflow:visible; height:auto; width:103px; padding:9px 3px; left:100px; top:0;}

#menu :hover ul :hover ul.left,
#menu :hover ul :hover ul :hover ul.left {visibility:visible; overflow:visible; height:auto; width:103px; padding:9px 3px; left:-106px; top:0;}