startList = function() {
    if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		// FFI-NEW:CHRIS:START
		// Ensure that the navroot is actually set to something before attempting to traverse it!
		if (navRoot) {
		// FFI-NEW:CHRIS:END
		    for (i=0; i<navRoot.childNodes.length; i++) {
			    node = 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;