$node_id=$node['node_id'];
if (($node['node_permission']!='owner') && ($node['node_permission']!='master')) {
$error=$error_messages['EVENT_PERMISSION_ERROR'];
$node_id=$node['node_id'];
if (($node['node_permission']!='owner') && ($node['node_permission']!='master')) {
$error=$error_messages['EVENT_PERMISSION_ERROR'];