function sed_bbcode($text)
{
global $L, $skin, $sys, $cfg, $sed_groups;
$text = sed_bbcode_autourls($text);
$text = " ".$text;
$text = preg_replace('#(\s)(www\.[\w\-\.]+\.\w{2,4}[^\s\r\n]*)#i', '$1[url]http://$2[/url]', $text);