Smiley function

[ANGELUS]

Can anybody teach me how to write function to add smiley?

[icen01]

function getsmilies($text)
{
$sql = "SELECT * FROM ibwf_smilies";
$smilies = mysql_query($sql);
while($smilie=mysql_fetch_array($smilies))
{
$scode = $smilie[1];
$spath = $smilie[2];
$text = str_replace($scode,"<img src=\"$spath\" alt=\"$scode\"/>",$text);
}
return $text;
}