menu_status = new Array();

function showHide(theid){
    if (document.getElementById) {
    var switch_id = document.getElementById(theid);

        if(menu_status[theid] != 'show') {
           switch_id.className = 'show';
           menu_status[theid] = 'show';
        }else{
           switch_id.className = 'hide';
           menu_status[theid] = 'hide';
        }
    }
}


/*
function showHide(theidPrefix, theidNum)

// show/hide clicked menu element
if (document.getElementById)
var switch_id = document.getElementById(theidPrefixtheidNum);

if(menu_statustheidPrefixtheidNum != 'show')
switch_id.className = 'show';
menu_statustheidPrefixtheidNum = 'show';
else
switch_id.className = 'hide';
menu_statustheidPrefixtheidNum = 'hide';


// hide non-clicked menu elements
n = 1;
while( document.getElementById(theidPrefixn) )
if(n !== theidNum)
var hide_id = document.getElementById(theidPrefixn);
hide_id.className = 'hide';
menu_statustheidPrefixn = 'hide';




var last_expanded = '';

function showHide(id)
{
var obj = document.getElementById(id);

var status = obj.className;

if (status == 'hide') {

if (last_expanded != '') {
var last_obj = document.getElementById(last_expanded);
last_obj.className = 'hide';
}

obj.className = 'show';

last_expanded = id;
} else {
obj.className = 'hide';
}
} 
*/