hi i need help in pagaination php

[phplover]

hi every body thanks for this space
i want help i have this script list folder and i want set pagiantion

this the script

<table width='100%' border='0'>
<?php
$cat="$_GET[c]";
$cat=str_replace(array('_')," ",$cat);
$gr="../music/$cat/";
$rep=opendir($gr);
$c=1;
while ($file = readdir($rep)){
	if($file != '..' && $file !='.' && $file !=''){ 
if (file_exists("http://bytes.com/images/$file.jpg")) {
$img="http://bytes.com/images/$file.jpg";
} else {
$img="http://bytes.com/images/nophoto.jpg";
}
if ($c==1) {
echo "<tr>";
}
$smiya = $file;
$smiya=str_replace(array('-')," ",$smiya);
$file=str_replace(array(' '),"_",$file);
$cat=str_replace(array(' '),"_",$cat);
?>
<td><div align=center>
<a href="<?php echo $file;?>_<?php echo $cat;?>.html">
<div style="margin-bottom:-35px; overflow:hidden;">
<img border='0' src='<?php echo $img;?>' width='150' height='150'>
<div style="position:relative; top: -30px;"/><img alt=""
 src="themes_fichiers/water.png">
</div></div> 
</a>
<table cellSpacing=0 cellPadding=1 width='140' align=center border=0><tbody>
<td dir=rtl align=center width=100% height=25>
<a href="<?php echo $file;?>_<?php echo $cat;?>.html"><span style="font-weight: bold;">
<?php echo $smiya;?></span></a>
</td></tr>
              <TR>
<tr>
    <td>

</td>
</tr>
</tbody>
</table><?php
if($c==5) {
echo "</tr>";
$c=0;
}
$c++;
}
}

closedir($rep);
clearstatcache();
?>

</td>
</center></div>
</table>