Sletter forkert bruger

PHP kode 

 <?php
 require('config.php');
 ?>
 <?
 session_start();
 mysql_connect($dbhost,$dbuser,$dbpw);
 mysql_select_db($db);
 ?>
 <?
 if($_SESSION['logged_in'] == 1)
  {
 $query="SELECT * FROM testbrugere";
 $result=mysql_query($query);
 
 $num=mysql_numrows($result);
 
 
 echo "<b><center>Database Output</center></b><br><br>";
  echo"<table border='1'>
  <tr>
     <td width='30'>Id</td>
     <td width='150'>Brugernavn</td>
         <td width='200'>Email</td>
     <td width='40'>Alder</td>
   <td width='300'>Favoritudtryk</td>
   <td width='300'>Ret Slet Ban Advar</td>
   </tr>
   </table>";  
 $i=0;
 while ($i < $num) {
 
 $brugernavn=mysql_result($result,$i,"brugernavn");
 $email=mysql_result($result,$i,"email");
 $alder=mysql_result($result,$i,"alder");
 $favoritudtryk=mysql_result($result,$i,"favoritudtryk");
 $id=mysql_result($result,$i,"id");
 ;
 
 echo "<table border='1'>
  <tr>
     <td width='30'>$id</td>
     <td width='150'>$brugernavn</td>
         <td width='200'>$email</td>
     <td width='40'>$alder</td>
   <td width='300'>$favoritudtryk</td>
   <td width='300'>
   <form action='useradmin.php?cmd=delete&id=$id' method='post'>
   <input type='submit' name'$id' value='slet'>
   </form>
   </td>
   </tr>
 </table>";
 
 $i++;
 }
  }
  else {
      echo "Du har ikke adgang til Denne side!";
  }
 
 ?>
 <?
 if (isset($_GET["cmd"]) && $_GET["cmd"] == "delete")
 {
     $sql = "DELETE FROM testbrugere WHERE id ='$id'";
     $result = mysql_query($sql);
     echo "Row deleted!";
 
 }
 ?>