function check() {
global $session;
global $db;
$global_perm = array('VIEW_SILO'=>0,'VIEW_ALL'=>1,'CALIBRATE'=>2,'KAM'=>3,'ADMIN'=>4,'DEV'=>5);
$check = func_get_args();

$user = $db->selectObject('users',"id='".$session->data['id']."'");
$checks = decbin($user->rights);
$checks = strrev($checks);
for($l=0;$l<strlen($checks);$l++) {
	$permission[] = ($checks[$l]=="1") ? true : false;
}

return $permission[$global_perm[$check[0]]];
}