var locked = false;
function ReleaseLock()
{
locked = false;
if (document.getElementById)
{  // DOM3 = IE5, NS6
document.getElementById('locker').style.visibility = 'hidden';
}
else
{
if (document.layers)
{  // Netscape 4
document.locker.visibility = 'hidden';
}
else
{  // IE 4
document.all.locker.style.visibility = 'hidden';
}
}
}
function ReleaseLockOnPartial()
{
locked = false;
if (document.getElementById)
{  // DOM3 = IE5, NS6
IWTop().getElementById('locker').style.visibility = 'hidden';
}
else
{
if (document.layers)
{  // Netscape 4
IWTop().locker.visibility = 'hidden';
}
else
{  // IE 4
IWTop().all.locker.style.visibility = 'hidden';
}
}
}
function ActivateLock()
{
locked = true;
var LLocker;
if (document.getElementById)
{  // DOM3 = IE5, NS6
LLocker = document.getElementById('locker');
if (LLocker) {
LLocker.style.visibility = '';
}
}
else
{
if (document.layers)
{  // Netscape 4
if (document.locker) {
document.locker.visibility = '';
}
}
else
{  // IE 4
if (document.all.locker) {
document.all.locker.style.visibility = '';
}
}
}
return true;
}
function IsLocked(){
return locked;
}