<?php

function executorlist() {
        global $db,$error,$node;
        $node_id=$node['node_id'];
        if ($node['node_permission']!='owner') {
                $error=$error_messages['EVENT_PERMISSION_ERROR'];
                return false;
        }

        $executors=explode(";",$_POST['executorlist']);
	$executors=array_map('mysql_real_escape_string', $executors); 
        $db->query("update node_access set node_permission='' where
		node_id=$node_id and node_permission='exec'");
        foreach ($executors as $execitpr) {
                 $set=$db->query("select user_id from users where login='$executor'");
                 $set->next();
                 if ($set->getString('user_id')) {
                        $q="update node_access set node_permission='exec' where node_id=$node_id and
user_id='".$set->getString('user_id')."'";
                        $changed=$db->update($q);
                        if (!$changed) {
                                $q="insert into node_access set
node_permission='exec',node_id=$node_id,user_id=".$set->getString('user_id');
                                $db->query($q);
                                $logger::log('add exec',$node_id,'ok',$executor);

                        }
                }
                else { $error .= "$executor does not exist..."; }
        }
}
?>