var dom = document.getElementById?1:0;
var ns4 = document.layers?1:0;


function showMenu(name,number) {

var groups = 1;

for (count = 0; count < groups; count++) {
var content = name + count;
var active = name + number;

if(dom) {
if(content == active) {
document.getElementById(active).style.visibility = 'visible';
document.getElementById(active).onmouseover = clearShut;
document.getElementById(active).onmouseout = setShut;
}
else {
document.getElementById(content).style.visibility = 'hidden';
}
}
else if(ns4) {
if(content == active) {
document[active].visibility = 'show';
document[active].onmouseover = clearShut;
document[active].onmouseout = setShut;
}
else {
document[content].visibility = 'hide';
}
}
}
first = name, sec = number;
clearShut();
}


function setShut() {

timer = setTimeout("shut(first,sec)", 1000);
}


function clearShut() {

if(window.timer)
clearTimeout(timer);
}


function shut(first,sec) {

var active = first + sec;

if(dom)
document.getElementById(active).style.visibility = 'hidden';
else if(ns4)
document[active].visibility = 'hide';
}