// JavaScript Menu Pulldown
function subnav(id,current) {
var s = document.getElementById(id);
var m = document.getElementById('main-'+id);
    for (var i = 1; i<=9; i++) {
        if (document.getElementById('nav'+i)) {document.getElementById('nav'+i).className='subnav'; }
        document.getElementById('main-nav'+i).className='nav nav'+i+'-bttn';
    }
    if (s) {s.className='subnav-show';}
    if (id != '') { m.className='nav '+id+'-over';}
    if (id != current) {
        document.getElementById('main-'+current).className='nav '+current+'-on';
    }
}