...
<form name="kontaktdaten" action="-/de_DE/kunden_check.html;jsessionid=1234567890" method="post"> 
<div class="form"> 

<label>Vorname</label> 
<input type="text" class="normI" name="Addresse:in:firstname" id="firstname" value="Peter" maxlength="29"/> 
<br class="clear" /> 

<label>Nachname</label> 
<input type="text" class="normI" name="Addresse:in:lastname" id="lastname" value="Broll" maxlength="27"/> 
<br class="clear" /> 

<label>e-Mail</label> 
<input type="text" class="normI" name="Addresse:in:email" id="email" value="mail@meineurl.de" maxlength="60"/> 
<br class="clear" /> 

<input type="hidden" name="Seite" value="123"> 
<div class="btright"> 
<input type="submit" name="abbrechen" value="Abbrechen" /> 
<input type="submit" name="speichern" value="Speichern" /> 
</div>
</div>
</form>