Ho un problema con questa select ...come mai non funziona...sembrerebbe tutto ok ma non funziona


<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Untitled Document</title>
<script type="text/javascript">
/*
Script tratto dal libro "JavaScript and DHTML Cookbook" - Capitolo 8-13
Pubblicato da O'Reilly & Associates
Copyright 2003 Danny Goodman
Riprodurre questa nota per qualunque riutilizzo del codice.
*/
var regiondb = new Object()
regiondb["1"] = [{value:"1", text:"1 queen size bed"},
{value:"2", text:"2 single beds"}];
regiondb["2"] = [{value:"3", text:"1 queen size bed + 1 single bed"},
{value:"4", text:"3 single beds"}];
regiondb["3"] = [{value:"5", text:"1 queen size bed + 2 single beds"},
{value:"6", text:"4 single beds"}];
regiondb["4"] = [{value:"7", text:"1 queen size bed"},
{value:"8", text:"2 single beds"}];
regiondb["5"] = [{value:"9", text:"1 queen size bed + 1 single bed"},
{value:"10", text:"3 single beds"}];
regiondb["6"] = [{value:"11", text:"1 queen size bed + 2 single beds"}];
regiondb["7"] = [{value:"12", text:"1 queen size bed + 3 single beds"}];
regiondb["8"] = [{value:"13", text:"1 queen size bed + 2 single beds"}
{value:"14", text:"2 queen size beds"}];
regiondb["9"] = [{value:"15", text:"1 queen size bed + 3 single beds"}
{value:"16", text:"2 queen size beds + 1 single bed"}];
regiondb["10"] = [{value:"10", text:"1 queen size bed + 4 single beds"}
{value:"17", text:"2 queen size beds + 2 single bed"}];
regiondb["11"] = [{value:"18", text:"1 queen size bed"}
{value:"19", text:"2 single bed"}];
regiondb["12"] = [{value:"20", text:"1 queen size bed + 1 single bed"}
{value:"21", text:"3 single bed"}];
function setCities(chooser){
var newElem;
var where = (navigator.appName == "Microsoft Internet Explorer") ? -1 : null;
var cityChooser = chooser.form.elements["Beds"];
while (cityChooser.options.length) {cityChooser.remove(0);}
var choice = chooser.options[chooser.selectedIndex].value;
var db = regiondb[choice];
newElem = document.createElement("option");
newElem.text = "Choose Beds";
newElem.value = "";
cityChooser.add(newElem, where);
if (choice != "") {for (var i = 0; i < db.length; i++)
{newElem = document.createElement("option");
newElem.text = db[i].text;
newElem.value = db[i].value;
cityChooser.add(newElem, where);
}
}
}

</script>
</head>

<body>
<select name="rooms" onchange="setCities(this)">
<option value="" selected="selected">---standards---</option>
<option value="1">Standard Double Room</option>
<option value="2">Standard Triple Room</option>
<option value="3">Standard quadruple Room</option>
<option>---Superior rooms----</option>
<option value="4">Superior room for 2 persons</option>
<option value="5">Superior room for 3 persons</option>
<option value="6">Superior room for 4 persons</option>
<option value="7">Superior room for 5 persons</option>
<option>---Apartements----</option>
<option value="8">Garden Apartement for 4 persons</option>
<option value="9">Garden Apartement for 5 persons</option>
<option value="10">Garden Apartement for 6 persons</option>
<option value="11">Indipendent Apartement for 2 persons</option>
<option value="12">Indipendent Apartement for 3 persons</option>
</select>
Beds <select name="Beds">
<option value="" selected="selected">Beds</option>
</select>
</body>
</html>