Redirect the page on dropdown

<script language="JavaScript" type="text/javascript">
function redirect(site){
 window.location= site
}
</script>
<select onchange="redirect(this.value)">
 <option value="#">Where would you like to go?</option>
 <option value="http://www.Dotnetfunda.com">Google</option>
 <option value="http://www.yahoo.com">Yahoo</option>
 <option value="http://www.google.com">Ask</option>
</select>