code:
<?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=“main" title=“Esempio">
<do type="accept" label=“Submit">
<go href="#card2"/>
</do>
<p>Qual e' il tuo sistema operativo?
<select name=“OS" multiple=“false">
<option value=“symbian">Symbian</option>
<option value=“windows-mobile">Windows Mobile</option>
<option value=“palm">Palm</option>
</select>
</p>
</card>
<card id="card2" title=“Sistema Operativo">
<p>
Hai scelto: $(OS)
</p>
</card>
</wml>