.menu {
position:relative; 
z-index:1000;
font-size:90%;
font-family:"Trebuchet MS";
font-size:12px;
color:#036;
font-weight:700;
}

/* remove all the bullets, borders and padding from the default list styling */
.menu ul {
padding:0;
margin:0;
list-style-type:none;
width:128px;
}
/* hack for IE5.5 */
* html .menu ul {margin-left:-16px; ma\rgin-left:0;}
/* position relative so that you can position the sub levels */
.menu li {
position:relative;
}

/* get rid of the table */
#nav table {
position:absolute; 
top: 0; 
left: 0; 
z-index: 100; 
font-size: 1em;}

/* style the links */
.menu a, 
.menu a:visited {
display:block; 
text-decoration:none;
height:25px;
line-height:25px;
width:128px;
color:#036;
text-indent:10px;
border:1px solid #fff;
border-width:0px 0px 1px 0;
}
/* hack for IE5.5 */
* html .menu a, 
* html .menu a:visited {
width:128px; 
w\idth:127px;
}

/* style the link hover */
.menu a:hover,
.menu ul :hover
{
background:#ccc;
}

.menu ul ul a,
.menu ul ul a:visited
{
width:170px;
}

.menu ul li.active {
background:#ccc;
}

.menu ul li ul li a:hover{
background:#bbb;
}

.menu ul li ul li.active a{
background:#bbb;
}

.menu ul li ul li:hover a{
background:#bbb;
width:170px;
}

.menu ul ul ul li a:hover {
background:#999;
}
.menu ul li ul li ul li.active a{
background:#999;
}

/* hide the sub levels and give them a positon absolute so that they take up no room */
.menu ul ul{
visibility:hidden;
position:absolute;
top:0;
left:128px; 
background:#ccc;
width:170px;
}

/* make the second level visible when hover on first level list OR link */
.menu ul :hover ul{
border-left:1px solid #fff;
visibility:visible;

}

/* keep the third level hidden when you hover on first level list OR link */
.menu ul :hover ul ul{
visibility:hidden;
left: 170px;
width: 170px;
}
/* keep the fourth level hidden when you hover on second level list OR link */
.menu ul :hover ul :hover ul ul{
visibility:hidden;
}
/* make the third level visible when you hover over second level list OR link */
.menu ul :hover ul :hover ul{ 
visibility:visible;
position:absolute;
top:0;
left:170px; 
background:#bbb;
}
/* make the fourth level visible when you hover over third level list OR link */
.menu ul :hover ul :hover ul :hover ul { 
visibility:visible;
}