/* Page loads; all drop-down menus are put into their initial state */
var output = [
'<style type="text/css">',
'	div#site_nav_submenu_1,',
'	div#site_nav_submenu_2, ',
'	div#site_nav_submenu_3, ',
'	div#site_nav_submenu_4, ',
'	div#site_nav_submenu_5 {',
'		display: none;',
'	}',
'</style>',
];
document.write(output.join('\n'));
function select(id) {
	var d = document.getElementById(id);
	for (var i = 1; i<=5; i++) {
		if (document.getElementById('site_nav_submenu_'+i)) {
			document.getElementById('site_nav_submenu_'+i).style.display='none';
			if (document.getElementById('site_nav_submenu_active')) {
				document.getElementById('site_nav_submenu_active').style.display='none';
			}	
		}
	}
	if (d) {
		d.style.display='block';
	}
}

function active(id) {
	for (var i = 1; i<=5; i++) {
		document.getElementById('site_nav_'+i).className = 'site_nav_inactive';
		document.getElementById(id).className = 'site_nav_active';
	}
}