function show_subnav(sub) {
	clear_all_subnav();
	if (document.getElementById(sub)) {
		document.getElementById(sub).style.display = 'inline';
	}
	bg = sub.replace('subnav','bg');
	if (document.getElementById(bg)) {
		document.getElementById(bg).style.display = 'inline';
	}
	return;	
}
function clear_all_subnav() {
	document.getElementById('subnav_company').style.display = 'none';
	document.getElementById('subnav_work').style.display = 'none';
	document.getElementById('subnav_club').style.display = 'none';
	document.getElementById('subnav_contact').style.display = 'none';	
	document.getElementById('subnav_motion-controll').style.display = 'none';
	document.getElementById('bg_company').style.display = 'none';
	document.getElementById('bg_work').style.display = 'none';
	document.getElementById('bg_club').style.display = 'none';
	document.getElementById('bg_contact').style.display = 'none';		
	document.getElementById('bg_motion-controll').style.display = 'none'; 
	return;
}
function clear_subnav() {
	return;
}

function UnCryptMailto(s) {
	var n=0;
	var r="";
	for(var i=0;i<s.length;i++) { 
		n=s.charCodeAt(i); 
		if (n>=8364) {n = 128;}
		r += String.fromCharCode(n-(2)); 
	}
	return r;
}
function linkTo_UnCryptMailto(s)	{
	location.href=UnCryptMailto(s);
}