В head
Code
<SCRIPT language="JavaScript"><!--
function linkPage()
{
var f = document.forms.navigation;
var uri = f.pages.options[f.pages.selectedIndex].value;
if (uri != '') parent.window.location = uri;
}
//--></SCRIPT>
сама менюшка
Code
<FORM NAME="navigation">
<SELECT NAME="pages" SIZE="1" onChange="linkPage();">
<OPTION>Менюшка</OPTION>
<OPTION VALUE="http://forucoz.com/">Главная</OPTION>
<OPTION VALUE="http://forucoz.com/">Форум</OPTION>
<OPTION VALUE="http://forucoz.com/news/0-0-0-0-1">Добавить новость</OPTION></SELECT>
</FORM>