dd {display:none;}
a.nav, a.nav:visited { background-image: url(../images/navi3.jpg); margin-left:50px; display:block; top:30px; width:130px; height:25px; color:#eee; border:1px solid #000; text-decoration:none; text-align:right; line-height:25px;}
a.nav:hover {background-image: url(../images/navi4.jpg); background-position:left; background-repeat:no-repeat; color:#aaa;}



.menu {
z-index:1000;
 margin-left:10px;
font-size:90%;/* this page only */
}

/* remove all the bullets, borders and padding from the default list styling */
.menu ul {
padding:0;
margin:0;
list-style-type:none;
width:170px;
}
/* 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;
height:28px;
}

/* get rid of the table */
.menu table {position:absolute; border-collapse:collapse; top:0; left:0; z-index:100; font-size:0.85em;}

/* style the links */
.menu a, .menu a:visited {
background-image: url(../images/navibg3.jpg); background-repeat:no-repeat; display:block; top:30px; width:170px; w\idth:169px; height:30px; color:#eee; border:1px solid #000; text-decoration:none; text-align:right; line-height:30px;}

/* hack for IE5.5 */
* html .menu a, * html .menu a:visited {background-image: url(../images/navibg3.jpg);background-repeat:no-repeat; width:170px; w\idth:169px;}
/* style the link hover */
* html .menu a:hover {background-image: url(../images/navibg4.jpg); background-position:left; background-repeat:no-repeat; width:170px; w\idth:169px; color:#aaa;}

.menu :hover > a {
background-image: url(../images/navibg4.jpg); background-position:left; background-repeat:no-repeat; width:170px; w\idth:169px; color:#aaa;
}

/* 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:170px; 
}
/* make the second level visible when hover on first level list OR link */
.menu ul li:hover ul,
.menu ul a:hover ul {
visibility:visible;
}

/* keep the third level hidden when you hover on first level list OR link */
.menu ul :hover ul ul{
visibility:hidden;

}
/* 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;
}
/* make the fourth level visible when you hover over third level list OR link */
.menu ul :hover ul :hover ul :hover ul { 
visibility:visible;
}