Tryit Editor v1.4

<html>
<head>
<script type="text/javascript">
function go() 
{
window.location=document.getElementById("menu").value;
}
</script>
</head>

<body>
<form>
<select id="menu" onchange="go()">
  <option>--Select a page--</option>
  <option value="../default.htm">W3Schools</option>
  <option value="../../www.microsoft.com/default.htm">Microsoft</option>
  <option value="../../www.altavista.com/default.htm">AltaVista</option>
</select>
</form>
</body>

</html>

Your Result:

Edit the code above and click to see the result.

W3Schools.com - Try it yourself