theme page not found

[sadiqbaig]

this is the code

[code]
<center>
<b>Theme Changer</b>
<form name="theme" action="theme.php" method="post">
<select name="set" onChange="this.form.submit()">
  <option value="">-- select --</option>
  <option value="style1">3d</option>
  <option value="style5">black nd white</option>
  <option value="style18">matrix</option>
  <option value="style22">blue</option>
  <option value="style23">green</option>
  <option value="style25">yellow</option>
  </select>
<input type="submit" name="submit" value="Change" />
</form>
</center>

[/code]

and i have added it to my xhtml site

when i use it on nokia 6230

i get error as page not found

after i select new theme

it works on WEB

[trq]

Mind posting some actual php? Maybe the theme.php script.