$donen = preg_replace('|\[color=([a-z0-9#]*?)\](.*?)\[/color\]|si','<font color="\\1">\\2</font>',$donen);

$donen = preg_replace('|\[timsah\]http://www.timsah.com/getswf/v/([a-z0-9?&\\/\-_.:,=#@]+?)\[/timsah\]|si','<object width="425" height="355">
<param name="movie" value="http://www.timsah.com/getswf/v/\\1"></param>
<param name="wmode" value="transparent"></param>
<embed src="http://www.timsah.com/getswf/v/\\1" type="application/x-shockwave-flash" wmode="transparent" width="425" height="355"></embed></object>',$donen);

<object width="450" height="404"><param name="movie" value="http://www.timsah.com/getswf/v/qTrTMVJLFzu" /><param name="WMode" value="Transparent"><embed src="http://www.timsah.com/getswf/v/qTrTMVJLFzu" wmode="transparent" width="450" height="404" name="player" type="application/x-shockwave-flash" /></object>

[timsah][/timsah]

function bbcode_acik($metin, $kodno)
{

onclick="islem('ileri',''), olay_fare_tik(this), setTimeout('olay_fare_tik2(\'bbcode_ileri\')', 100)"></div>

<div class="sabit_katman"><img src="temalar/5renkli/resimler/bbcode/timsah.gif" border="0" width="23" height="23" alt="timsah" title="Seçili adresdeki videoyu göster" class="bbcode" id="bbcode_timsah" onmouseover="olay_fare_ustune(this)" onmouseout="olay_fare_cekme(this)" onclick="islem('timsah',prompt('Videonun Adresini Yazınız', 'http://'))"></div>

else bbKodEkle('[youtube]'+deger1+'[/youtube]','','\r\n[youtube]'+deger1+'[/youtube]');}

else if(komut=='timsah'){if(div_katman.style.display=='inline')HtmlEkle2('[timsah]'+deger1+'[/timsah]','',' ');else bbKodEkle('[timsah]'+deger1+'[/timsah]','','\r\n[timsah]'+deger1+'[/timsah]');}