hello

i have a problem with images

i use the function mysql_num_rows for to obtein the images and, i want the show images in files of 5

my code is :

PHP Code:
<?php
extract
($HTTP_GET_VARS);
require_once(
'funciones.php');
$lnk    Cnn();
$sql    "select * from imagenes3 where img_of_id=$of_id";
@
$rs    mysql_query($sql,$lnk);
$cant    mysql_num_rows($rs);
if(
$cant==0){echo "&nbsp;";
}
if(isset(
$HTTP_GET_VARS['imagen_mostrar']))
{
    
$show $HTTP_GET_VARS['imagen_mostrar'];
}
else
{
    
$show mysql_result($rs,0,"img_id");
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Documento sin t&iacute;tulo</title>
<style type="text/css">
<!--
body {
    background-color: #EAEAEA;
}
-->
</style></head>

<body>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
  <tr>
    <td colspan="5"><div align="center"><?php echo "<img border='3' src='imagen.php?img_id=$show&tamanio=600'>"?></div></td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  
<?php
$filas 
$cant/5;
if(
$filas<1){$filas=1;}
    for(
$i=1;$i<=$filas;$i++)
    {
        echo 
"  <tr>\n";
        for(
$i=1;$i<=$cant;$i++)
        {        
            
$x+=1;

            if(
$x<=$cant)
            {
                
$img_id mysql_result($rs,$i-1,"img_id");
                echo 
"    <td width='20%'><div align='center'><a href='?of_id=$of_id&imagen_mostrar=$img_id' title='Click para ver...'><img border='3' src='imagen.php?img_id=$img_id&tamanio=100'></a></div></td>\n";
            }
            else
            {
                echo 
"    <td width='20%'><div align='center'>&nbsp;</div></td>\n";
            }
        }
        echo 
"  </tr>\n";
    }
?>
  
</table>
</body>
</html>
<?php
mysql_free_result
($rs);
mysql_close($lnk);
?>
help me, please!!!!!
i dont know where is my fault!!!!

cheers

pd: sorry for my english, is very bad