function    ubb($Text)  
{    
$Text=htmlspecialchars($Text);    
$Text=stripslashes($Text);  
$Text=ereg_replace("\r\n","<br>",$Text);    
$Text=ereg_replace("\r","<br>",$Text);    
$Text=nl2br($Text);    
$Text=preg_replace("/\\t/is","      ",$Text);    
$Text=ereg_replace("    "," ",$Text);  
$Text=preg_replace("/\[h1\](.+?)\[\/h1\]/is","<h1>\\1</h1>",$Text);    
$Text=preg_replace("/\[h2\](.+?)\[\/h2\]/is","<h2>\\1</h2>",$Text);    
$Text=preg_replace("/\[h3\](.+?)\[\/h3\]/is","<h3>\\1</h3>",$Text);    
$Text=preg_replace("/\[h4\](.+?)\[\/h4\]/is","<h4>\\1</h4>",$Text);    
$Text=preg_replace("/\[h5\](.+?)\[\/h5\]/is","<h5>\\1</h5>",$Text);    
$Text=preg_replace("/\[h6\](.+?)\[\/h6\]/is","<h6>\\1</h6>",$Text);    
$Text=preg_replace("/\[center\](.+?)\[\/center\]/is","<center>\\1</center>",$Text);    
$Text=preg_replace("/\[big\](.+?)\[\/big\]/is","<big>\\1</big>",$Text);    
$Text=preg_replace("/\[small\](.+?)\[\/small\]/is","<small>\\1</small>",$Text);    
  
$Text=preg_replace("/\[url\](http:\/\/.+?)\[\/url\]/is","<a    href=\\1>\\1</a>",$Text);    
$Text=preg_replace("/\[url\](.+?)\[\/url\]/is","<a    href=\'http://\\1\'>http://\\1</a>",$Text);    
$Text=preg_replace("/\[url=(http:\/\/.+?)\](.*)\[\/url\]/is","<a    href=\\1>\\2</a>",$Text);    
$Text=preg_replace("/\[url=(.+?)\](.*)\[\/url\]/is","<a    href=http://\\1>\\2</a>",$Text);    
  
$Text=preg_replace("/\[img\](.+?)\[\/img\]/is","<img    src=\\1    border=0>",$Text);    
$Text=preg_replace("/\[color=(.+?)\](.+?)\[\/color\]/is","<font    color=\\1>\\2</font>",$Text);    
$Text=preg_replace("/\[size=(.+?)\](.+?)\[\/size\]/is","<font    size=\\1>\\2</font>",$Text);    
$Text=preg_replace("/\[sup\](.+?)\[\/sup\]/is","^\\1",$Text);    
$Text=preg_replace("/\[sub\](.+?)\[\/sub\]/is","_\\1",$Text);    
$Text=preg_replace("/\[pre\](.+?)\[\/pre\]/is","<pre>\\1</pre>",$Text);    
$Text=preg_replace("/\[email\](.+?)\[\/email\]/is","<a    href=mailto:\\1>\\1</a>",$Text);    
$Text=preg_replace("/\[i\](.+?)\[\/i\]/is","<i>\\1</i>",$Text);    
$Text=preg_replace("/\[b\](.+?)\[\/b\]/is","<b>\\1</b>",$Text);    
$Text=preg_replace("/\[quote\](.+?)\[\/quote\]/is","<blockquote><font    size='1'    face='Courier    New'>quote:</font><hr>\\1<hr></blockquote>",    $Text);    
$Text=preg_replace("/\[code\](.+?)\[\/code\]/is","<blockquote><font    size='1'    face='Times    New    Roman'>code:</font><hr    color='lightblue'><i>\\1</i><hr    color='lightblue'></blockquote>",    $Text);    
$Text=preg_replace("/\[sig\](.+?)\[\/sig\]/is","<div    style='text-align:    left;    color:    darkgreen;    margin-left:    5%'><br><br>--------------------------<br>\\1<br>--------------------------</div>",    $Text);    
$Text=ereg_replace("\[hr\]","<hr>",$Text);  
return    $Text;    
}