ciao, grazie per le risposte... non riesco però a far funzionare nulle! Ho provato a fare un semplice alert del campo ma mi da errore.
Il codice completo del form è:
codice:
<form action="elenco ricerca avanzata casa.asp" name="mioform" method="post" onsubmit="return controllo(this);">
<tr>
<td>
<table cellpadding="0" cellspacing="0">
<tr>
<td width="2"></td>
<td width="604" height="18">
<table cellpadding="0" cellspacing="0">
<tr>
<td width="1" height="18" bgcolor="#0B266D"></td>
<td width="602" height="43" valign="top">
<table cellpadding="0" cellspacing="0">
<tr>
<td width="602" height="18" class="stilebianco10G" align="center" background="pagina home1.jpg">
Ricerca avanzata - case disponibili per il periodo selezionato
</td>
</tr>
<tr>
<td width="602" height="25">
<table cellpadding="0" cellspacing="0">
<tr>
<td width="4"></td>
<td class="stileblu10G">
Soggiorno dal
</td>
<td width="3"></td>
<td>
<select name="filtrodalgg" class="stilenero10">
<option selected>1</option>
<option selected>2</option>
</select>
</td>
<td width="2"></td>
<td>
<select name="filtrodalmm" class="stilenero10">
<option selected>1</option>
<option selected>2</option>
</select>
</td>
<td width="2"></td>
<td>
<select name="filtrodalaa" class="stilenero10">
<option selected>1</option>
<option selected>2</option>
</select>
</td>
<td width="14"></td>
<td class="stileblu10G">
al
</td>
<td width="3"></td>
<td>
<select name="filtroalgg" class="stilenero10">
<option selected>1</option>
<option selected>2</option>
</select>
</td>
<td width="2"></td>
<td>
<select name="filtroalmm" class="stilenero10">
<option selected>1</option>
<option selected>2</option>
</select>
</td>
<td width="2"></td>
<td>
<select name="filtroalaa" class="stilenero10">
<option selected>1</option>
<option selected>2</option>
</select>
</td>
<td width="14"></td>
<td class="stileblu10G">
Posti letto
</td>
<td width="3"></td>
<td>
<select name="filtropostiletto" class="stilenero10">
<option selected></option>
<option selected>2</option>
<option selected>3</option>
</select>
</td>
<td width="3"></td>
<td><input type="image" src="pagina home2.jpg"></td>
</tr>
</table>
</td>
</tr>
</table>
</td>
<td width="1" height="18" bgcolor="#0B266D"></td>
</tr>
</table>
</td>
<td width="2"></td>
</tr>
</table>
</td>
</tr>
<tr>
<td>
<table cellpadding="0" cellspacing="0">
<tr>
<td width="2"></td>
<td width="604" height="1" bgcolor="#0B266D">
</td>
<td width="2"></td>
</tr>
</table>
</td>
</tr>
</form>