please replace this function in class.contentoperations.inc.php:
function CreateHierarchyDropdown($current = '', $parent = '', $name = 'parent_id')
{
$userid = get_userid(); //added
$result = '';
$allcontent =& ContentOperations::GetAllContent();
if ($allcontent !== FALSE && count($allcontent) > 0)
{
$result .= '';
if(check_permission($userid, 'Modify Any Page')){ //added
$result .= 'None';
} //added
$curhierarchy = '';
foreach ($allcontent as $one)
{
if ($one->Id() == $current)
{
#Grab hierarchy just in case we need to check children
#(which will always be after)
$curhierarchy = $one->Hierarchy();
#Then jump out. We don't want ourselves in the list.
continue;
}
#If it's a child of the current, we don't want to show it as it
#could cause a deadlock.
if ($curhierarchy != '' && strstr($one->Hierarchy() . '.', $curhierarchy
. '.') == $one->Hierarchy() . '.')
{
continue;
}
if( in_array($userid, $one->GetAdditionalEditors()) || $userid == $one->Owner()
|| check_permission($userid, 'Modify Any Page')){ //added
#Don't include content types that do not want children either...
if ($one->WantsChildren() == true)
{
$result .= 'Id().'"';
#Select current parent if it exists
if ($one->Id() == $parent)
{
$result .= ' selected="selected"';
}
$result .= '>'.$one->Hierarchy().'. -
'.$one->Name().'';
}
} //added
}
$result .= '';
}
return $result;
}