// JavaScript Document

function changeOpenMenu(id){
var all_uls = new Array();
all_uls[0]='ul_one';
all_uls[1]='ul_two';
all_uls[2]='ul_three';
all_uls[3]='ul_four';
for(i=0;i<all_uls.length;i++){
document.getElementById(all_uls[i]).style.display = 'none';
}
the_ul = document.getElementById(id);
the_ul.style.display = 'block';
clearButtons();
}
function changeOpenMenu2(id){
var all_uls = new Array();
all_uls[0]='ul_one';
all_uls[1]='ul_two';
all_uls[2]='ul_three';
for(i=0;i<all_uls.length;i++){
document.getElementById(all_uls[i]).style.display = 'none';
}
the_ul = document.getElementById(id);
the_ul.style.display = 'block';
clearButtons();
}

function clearButtons() {
if (!document.getElementsByTagName) return;
var anchors = document.getElementsByTagName("a");
for (var i=0; i<anchors.length; i++) {
var anchor = anchors[i];
anchor.blur();
}
}

<!-- Begin
function formHandler(form){
var URL = document.form.site.options[document.form.site.selectedIndex].value;
window.location.href = URL;
}
// End -->