function togglePanel(n) {
	this.className = 'current';
	document.getElementById('sup-individual').style.display = 'none';
	document.getElementById('sup-school').style.display = 'none';
	document.getElementById('sup-company').style.display = 'none';
	document.getElementById('sup-organisation').style.display = 'none';
	document.getElementById('sup-nav-00').className = '';
	document.getElementById('sup-nav-01').className = '';
	document.getElementById('sup-nav-02').className = '';
	document.getElementById('sup-nav-03').className = '';
	
	switch(n) {
		case 1:
			document.getElementById('sup-school').style.display = '';
			document.getElementById('sup-nav-01').className = 'current';
			break;
		case 2:
			document.getElementById('sup-company').style.display = '';
			document.getElementById('sup-nav-02').className = 'current';
			break;
		case 3:
			document.getElementById('sup-organisation').style.display = '';
			document.getElementById('sup-nav-03').className = 'current';
			break;
		default:
			document.getElementById('sup-individual').style.display = '';
			document.getElementById('sup-nav-00').className = 'current';
	}
}