<?php
Header("Content-type: text/vnd.wap.wml");
Header("Cache-Control: no-cache, must-revalidate");
Header("Pragma: no-cache");
echo ("<?xml version='1.0'?>");
?>
<!DOCTYPE wml PUBLIC '-//WAPFORUM//DTD WML 1.1//EN'
'http://www.wapforum.org/DTD/wml_1.1.xml' >
<wml>
<card id='card1' title='UNITO/Database'>
<p> You can search for professors' consulting hours
or for examinations timetables.
<select name='choice' value='1' title='Research'>
<option value='exams_data'>Examinations timetables</option>
<option value='consulting_data'>Consulting hours</option>
</select>
<do type='text' label='Go'>
<go method='get' href='index2.wml#card2'> <postfield name='choice' value='$(choice)' /> </go>
</do>
</p>
</card>
</wml>
Espero que me puedan ayudar, no sé en donde o porke me sale ese error.
Gracias
