<html>
<head>
<script type="text/javascript">
function showHide(valSelected,id)
{
var elt = document.getElementById(id);
if (valSelected == 'limited')
{
elt.style.display = 'none';
}
else
{
elt.style.display = 'block';
}
}
</script>
</head>
<body>
<form name="form" action="#">
<select name="choix" onChange="javascript:showHide(this.value,'maDiv');">
<option value="limited" SELECTED>limited</option>
<option value="notlimited">not limited</option>
</select>
<br /><br />
<div id="maDiv" style="display: none;">
<input name="date" value="" size="10" />
</div>
</form>
</body>
</html>