function startList() {

	if (document.all&&document.getElementById && navigator.appVersion.indexOf("Mac") == -1) {
		navRoot = document.getElementById("vertical_nav");

        //get id of ddl to be obscured by nav popout
        ddl = document.getElementById("DdlStations");

		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName.toUpperCase()=="LI" && node.id !="itemon") {
				node.onmouseover=function() {
					this.className+=" over";

                    //hide ddl
                    if (ddl != null) { ddl.className+=" hide"; }
				}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");

                    //show ddl
                    if (ddl != null) { ddl.className=ddl.className.replace(" hide", ""); }
				}
			}
		}
	}
}

window.onload=startList;