<?
function user_access($access,$u_id=null,$exit=false)
{

	if ($u_id==null)global $user;
	else $user=get_user($u_id);

	if (!isset($user['group_access']) || $user['group_access']==null)
	{
		if ($exit!==false){header("Location: $exit");exit;}
		else return false;
	}

	if ($exit!==false)
	{
		if (mysql_result(mysql_query("SELECT COUNT(*) FROM `user_group_access` WHERE `id_group` = '$user[group_access]' AND `id_access` = '".my_esc($access)."'"),0)==0)
		{
			header("Location: $exit");exit;
		}
	}
	else
	return (mysql_result(mysql_query("SELECT COUNT(*) FROM `user_group_access` WHERE `id_group` = '$user[group_access]' AND `id_access` = '".my_esc($access)."'"),0)==1?true:false);

}
?>