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

var hideMenu = null;

//alert ("IE: "+IE);
//alert ("NS: "+NS);

function Hide(div){

if(IE)eval('document.all.'+div+'.style.visibility="hidden"');
if(NS){
            document.getElementById(div).style.visibility="hidden"
}
}

function Show(div){

if(IE)     eval('document.all.'+div+'.style.visibility="visible"');
if(NS){
            document.getElementById(div).style.visibility="visible"
}
}

function imgOn(Num) {

Hide('m1');
Hide('m2');
Hide('m3');
Hide('m4');
if (document.images) {
document.images["b" +Num].src = eval("b" +Num+ "on.src")
}
}

function imgOff(Num) {

//alert("Num: "+Num);
if (document.images) {
document.images["b" +Num].src = eval("b" +Num+ ".src")
}
}

//MenuMouseOver

function mImgOn(divNum,Num) {

clearTimeout(hideMenu);
if (document.images) {
if(IE){
document.images["m" +divNum+ "b" +Num].src = eval("m" +divNum+ "b" +Num+ "on.src")
}
if(NS){
document.images["m" +divNum+ "b" +Num].src = eval("m" +divNum+ "b" +Num+ "on.src")
}
}
}

function mImgOff(divNum,Num) {

if (document.images) {
if(IE){
document.images["m" +divNum+ "b" +Num].src = eval("m" +divNum+ "b" +Num+ ".src")
}
if(NS){
document.images["m" +divNum+ "b" +Num].src = eval("m" +divNum+ "b" +Num+ ".src");
}
}
hideMenu=setTimeout('hideAll()',10)
}

function hideAll(){

Hide('m1');
Hide('m2');
Hide('m3');
Hide('m4');
}