IE5 and IE6 CSS Fix for Drop Down Menus

[DaniellaMatutes]

As usual, the site looks great in FF, Safari and IE7 and higher. But the menus are not placed correctly in IE6 or IE5. Is the a CSS fix for this out there somewhere? http://www.centroproperties.com

	}
	
#nav {
margin: 0px;
	padding: 0px;
	float: left;
	}
#nav ul {
	float: left;
	list-style: none;
	margin: 0px;
	padding: 0px;
	}
#nav li {
	float: left;
	list-style: none;
	margin: 0px 20px 0px 0px;
	padding: 0px;
	}
	
#nav li a, #nav li a:link, #nav li a:visited {
	color: #999999;
	display: block;
	font-size: 10px;
	text-transform: lowercase;
    margin: 0px 0px 0px 0px;
	padding: 8px 20px 10px 15px;
	}

#nav li a:hover, #nav li a:active {
	color: #FFFFFF;
    margin: 0px 0px 0px 0px;
	padding: 8px 20px 10px 15px;
	text-decoration: none;
	}
	
#nav li li a, #nav li li a:link, #nav li li a:visited {
	opacity: .90;
	filter: alpha(opacity=90);
	background: #000000;
	width: 130px;
	color: #CCCCCC;
	text-transform: lowercase;
	float: left;
	margin: 0px 10px 0px 0px;
	padding: 7px 5px 7px 5px;
border-top: 1px solid #373737;	
border-bottom: 1px solid #373737;
	border-left: 1px solid #373737;
	border-right: 1px solid #373737;
	}
	
#nav li li a:hover, #nav li li a:active {
	background: #373737;
	color: #FFFFFF;
	padding: 7px 5px 7px 5px;
	}

#nav li ul {
	z-index: 999;
	position: absolute;
	left: -9999em;
	width: 130px;
	margin: 60px 35px 0px 0px;
	padding: 0px;
	}

#nav li li { 
	}

#nav li ul a { 
	width: 130px;
	}

#nav li ul a:hover, #nav li ul a:active { 
	}

#nav li ul ul {
z-index: 1000;
	position: absolute;
	left: 1000em;
	width: 130px;
	margin: -40px 0 0 160px;
	padding: 0px;
	}

#nav li:hover ul ul, #nav li:hover ul ul ul, #nav li.sfhover ul ul, #nav li.sfhover ul ul ul {
	left: -100em;
	}

#nav li:hover ul, #nav li li:hover ul, #nav li li li:hover ul, #nav li.sfhover ul, #nav li li.sfhover ul, #nav li li li.sfhover ul {
	left: auto;
	}

#nav li:hover, #nav li.sfhover { 
	position: static;
	}