// JavaScript Document
function trigger(onoff) {
	if (onoff == 'off') {
		document.getElementById('headernavi_long').style.display = 'none';
		document.getElementById('headernavi_short').style.display = 'block';
	}
	if (onoff == 'on') {
		document.getElementById('headernavi_short').style.display = 'none';
		document.getElementById('headernavi_long').style.display = 'block';
	}
}