var IE = (navigator.appName == "Microsoft Internet Explorer") ? 1 : 0;
var NS = (navigator.appName == "Netscape") ? 1 : 0;
var hideMenu = null;
var x = null;

function Hide(menu,num){
	if(IE){
		eval('document.all.m'+menu+'.style.visibility="hidden"');
		for(hsub=1;hsub<=num;hsub++){
			eval('document.all.sub'+hsub+'.style.visibility="hidden"');}}
		
	if(NS){
		eval('document.layers.m'+menu+'.visibility="hidden"');
		for(hsub=1;hsub<=num;hsub++){
			eval('document.layers.sub'+hsub+'.visibility="hidden"');}}
}

function Show(menu,num){
	x = 102*(menu-1)+170+(5-menu);
	if(IE){
		eval('document.all.m'+menu+'.style.visibility="visible"');
		for(ssub=1;ssub<=num;ssub++){
			eval('document.all.sub'+ssub+'.style.pixelLeft=x');
			eval('document.all.sub'+ssub+'.style.visibility="visible"');}}

	if(NS){
		eval('document.layers.m'+menu+'.visibility="visible"');
		for(ssub=1;ssub<=num;ssub++){
			eval('document.layers.sub'+ssub+'.style.pixelLeft=x');
			eval('document.layers.sub'+ssub+'.visibility="visible"');}}
}

function imgOn(menu, num) {
	for(csub=1;csub<=5;csub++) Hide(csub,6);
	clearTimeout(hideMenu);
	if (document.images) {
			document.images["mt" +menu].src = eval("_omtx.src")}
	if(menu != 6) Show(menu,num);
}

function imgOff(menu, num) {
	if (document.images) {
			document.images["mt" +menu].src = eval("mtx.src")}
	if(menu != 6) hideMenu=setTimeout("Hide("+menu+","+num+")",500);
}

function mImgOn(menu, s) {

	clearTimeout(hideMenu);
	if (document.images) {
	if(IE){
		document.images["mt" +menu].src = eval("_omtx.src")
		document.images["st" +s].src = eval("_ost.src")}
	if(NS){
		document.layers["mt"+menu].document.images["mt" +menu].src = eval("_omt" +menu+ ".src")
		document.layers["mt"+menu].document.images["st" +s].src = eval("_ost.src")}}
}

function mImgOff(menu, s, num) {
	if (document.images) {
	if(IE){
		document.images["mt" +menu].src = eval("mtx.src")
		document.images["st" +s].src = eval("st.src")}
	if(NS){
		document.layers["mt"+menu].document.images["mt" +menu].src = eval("mt" +menu+ ".src")
		document.layers["mt"+menu].document.images["st" +s].src = eval("st.src")}}
	hideMenu=setTimeout("Hide("+menu+","+num+")",500);
}