function toggleMenu(id){
	element = document.getElementById(id);
	element.className = (element.className.toLowerCase() == 'expanded'?'collapsed':'expanded');
	document.cookie = id + '=' + element.className;
}

function saveChecked(id){
	element = document.getElementById(id);
	if (element.checked) {
		is_checked = 1;
	}
	else {
		is_checked = 0;
	}
	var expdate = new Date ();
	expdate.setTime (expdate.getTime() + (1000 * 60 * 60 * 24 * 365));
	document.cookie = id + '=' + is_checked + '; expires=' + expdate;
}