Ecco:
codice:
<html>
<head>
<title></title>
<script language="javascript">
<!--
function campo(opz){
div = document.getElementById('divTesto')
if(opz=='app')
{
div.innerHTML='
<select name="menu2">
<option>1piano</option>
<option>2piano</option>
<option>3piano</option>
</select>'
}
else
div.innerHTML=''
}
//-->
</script>
<body>
<form name="myForm">
</form>
<select name="menu1" onchange="campo(this.options[this.selectedIndex].value)">
<option value=0>Seleziona un'opzione</option>
<option value='app'>appartamento</option>
<option value='box'>box</option>
<option value='ter'>terreno</option>
</select>
<div id="divTesto"></div>
</body>
</form>
ciao!!!
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