IE6 css ul hover menu not working, works fine in newer browsers, can't work out whats wrong with my code

startlist = function() {
 
	if
	(document.all&&document.getElementById)
	{	
		navRoot =
 
		document.getElementById("nav");
		for(i=0; i<navRoot.childNodes[i];
		if(node.nodeName=="li") {
		node.onmouseover=function(){
 
		this.className+=" over";
		}
 
		node.onmouseout=function(){
 
			this.className=this.ClassName.replace>>
			(" over", ""); }}}}
 
	}
 
	window.onload=startList;

@charset "utf-8";
/* CSS Document */
 
ul {
	font-size:16px;
	list-style: none; /* this removes the list marker */
	text-decoration:none;
	background-repeat:no-repeat;
	text-decoration: none;	
	color:#FFF;
	margin:0px;
	padding-right:20px;
	padding-left:0px;
	padding-bottom:20px;
	padding-top:20px;
}
 
#nav{
	background:url(bar.png);
	background-repeat:no-repeat;
}
 
 
ul a, ul a:visited { /* grouping these selectors makes sure that your links retain their button look even after being visited */
	text-decoration: none;	
	color:#FFF;
}
 
 
/* li has to be positioned relative and then the sub menu absolute to get the positioning right on the page 
   the margin-right negative value removes the white space in the ul menu */
ul li {	
    position:relative;
	background-repeat:no-repeat;
	display:inline;
	margin:0px;
	padding:0px;
	border-right:1px;
 
}
 
ul li a, ul li a:visited, ul li a:active{
	color: #FFF;
	text-decoration:none;
	padding-right:10px;
	padding-top:8px;
	padding-left:10px;
	padding-bottom:10px;
}
 
 
/* Below keeps the button's hover colour on whilst you are hovering over the sub menu  */
 
ul li:hover a {	
	background:#F1FAFA;
	color:#06C;
}
 
 
/* the sub menu here is positioned absolute to the li menu button*/
 
ul li ul{
	position:absolute;
	left:0px;
	display:none;
	color:#06C;
	background:#F1FAFA;
	background-repeat:no-repeat;
	text-align:left;
	padding-top:0px;
	padding-left:0px;
	padding-right:30px;
	line-height:20px;
	margin-top:8px;
	opacity:0.9;
	filter:alpha(opacity=90); /* for IE 8 or earlyier */
 
}
 
* html ul li ul{
		top:45px;
	}
 
*+html ul li ul{
		top:45px;
	}
 
/* you display the li block so that it isn't displayed as inline on the screen */
ul li ul li{
	padding-left:5px;
	display:block;
	margin-right:-10px;
	font-size:10px;
	opacity:1; /* opacity of li writing */
	filter:alpha(opacity=100);
}
 
/* Changes each link color when hovering over individually */
ul li ul li:hover{
 
	cursor:pointer;
	text-decoration:underline;
	color:#06C;
 
}
 
* html ul li ul a:hover{
	cursor:pointer;
	text-decoration:underline;
	color:#06C;
}
 
*+html ul li ul a:hover{
	cursor:pointer;
	text-decoration:underline;
	color:#06C;
}
 
 
/* Hover over the menu button to display the sub menu */
ul li:hover ul{
 
	display:block;
 
}

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