var maxpic = 9;
var pics;

function init() {
	pics = new Array();
	for (i = 1; i <= maxpic; i++) {
		pics[i] = new Array(2);
		pics[i][0] = new Image();
		pics[i][0].src = ref + "layout/m" + i + ".gif";
		pics[i][1] = new Image();
		pics[i][1].src = ref + "layout/m" + i + "2.gif";
	}
}

if (document.images) init();

function getEl(nr) {
	if (document.all) return document.images["m" + nr];
	else if (document.layers) return document.layers["menu"].document.images["m" + nr];
	else if (document.getElementById) return document.images["m" + nr];

}

function getObj(name) {
	if (document.all) return document.all[name];
	else if (document.layers) return document.layers[name];
	else if (document.getElementById) return document.getElementById(name);

}

function swon(nr) {	getEl(nr).src = pics[nr][1].src; }

function swof(nr) {	getEl(nr).src = pics[nr][0].src; }

function openWin(aURL, Options) {
	if (window.thisWin) if (!window.thisWin.closed) window.thisWin.close();
	thisWin=window.open(aURL, 'thisWin', Options); thisWin.focus()
}

function closeWin() { window.close(); }

var divName = new Array();
divName[0] = "";

function showMenu(name) {
	var obj = getObj(name);
	if (obj.style) {
		obj = obj.style;
		vis = 'visible';
	} else vis = 'show';
	obj.visibility = vis;
	for (i = 0; i < divName.length; i++) {
		if (name != divName[i]) {
			obj = getObj(divName[i]);
			if (obj.style) {
				obj = obj.style;
				vis = 'hidden';
			} else vis = 'hide';
			obj.visibility = vis;
		}
	}
}