<form name="abcd">
<select name="a">
<option value="http://www.javascript-page.com">Nic's Javascript Page
<option value="http://www.learnhtml.org">Learn HTML in 7 Easy Steps
<option value="http://ucprogramming.hypermart.net">Uncanny Programming
<option value="http://www.pit-bull.com">Pit Bull Stands
<option value="http://www.geocities.com">Geocities
</select>
<input type="button" value="Go" onclick="go()">
</form>
<script language="Javascript">
<!--
// please keep these lines on when you copy the source
// made by: Nicolas - http://www.javascript-page.com
function go() {
document.location = document.abcd.a.options[document.abcd.a.selectedIndex].value
}
//-->
</script>