startList = function() {
	if(document.all && document.getElementById) {	
		var navRoot = document.getElementById("mainNavList");
		
		for(var i = 0; i < navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
	
			if(node.nodeName == "LI") {
				node.onmouseover = function() {
					this.className += " sfhover";
	  			};
	
	  			node.onmouseout = function() {
	  				this.className=this.className.replace(" sfhover", "");
	   			};
	  		}	
	 	}
	}
}
window.onload=startList;