perchè la pagina che la chiama ha questi form:
codice:
<div id="collega">Visualizza tutto</div></p>
<form id="data" name="data" method="post" action="<%=pagina%>?utente=<%=utentix%>&periodo=giorno" target="sottosezaus">
<table width="100%" border="0">
<tr>
<td colspan="2"><p align="center" class="testino">Seleziona giorno</td>
</tr>
<tr>
<td width="12%"></td>
<td width="88%"><input type="text" id="giorno" name="giorno" />
<script type="text/javascript">
/*<[CDATA[*/
var dpck = new DatePicker({
relative : 'giorno',
language : 'it'
});
/*]]>*/
</script></td>
</tr>
<tr>
<td colspan="2"><div align="center">
<input type="submit" value="Conferma giorno" />
</div></td>
</tr>
</table>
</form>
<form id="data" name="data" method="post" action="<%=pagina%>?utente=<%=utentix%>&periodo=periodo" target="sottosezaus">
<table width="100%" border="0">
<tr>
<td colspan="2"><p align="center" class="testino">Seleziona periodo</td>
</tr>
<tr>
<td width="12%"><div align="right"><p class="testino">dal</div></td>
<td width="88%"><input type="text" id="dal" name="dal" />
<script type="text/javascript">
/*<[CDATA[*/
var dpck = new DatePicker({
relative : 'dal',
language : 'it'
});
/*]]>*/
</script></td>
</tr>
<tr>
<td><div align="right"><p class="testino">al</div></td>
<td><input type="text" id="al" name="al" />
<script type="text/javascript">
/*<[CDATA[*/
var dpck = new DatePicker({
relative : 'al',
language : 'it'
});
/*]]>*/
</script></td>
</tr>
<tr>
<td colspan="2"><div align="center">
<input type="submit" value="Conferma periodo" />
</div></td>
</tr>
</table>
</form>