function openWindow(text, myname, w, h, scroll)
{
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
var winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll;
var win=window.open('', myname, winprops);
//win.document.write('');
text = '';
win.document.write(text);
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
//return true;
}
function showhide(id)
{
if (document.getElementById('level'+id).style.display == 'none')
{
document.getElementById('level'+id).style.display = 'block';
document.getElementById('img'+id).src = 'platform/atk/images/minus.gif';
}
else
{
document.getElementById('level'+id).style.display = 'none';
document.getElementById('img'+id).src = 'platform/atk/images/plus.gif';
}
}