function toggleSidebar() {
	var s = document.getElementById('sidebar');
	var sl = document.getElementById('sidebar_left');
	var m = document.getElementById('main');
	
	if (s.style.display == 'block') {
		s.style.display = 'none';
		sl.style.display = 'none';
		m.style.marginRight = 0;
	} else {
		s.style.display = 'block';
		sl.style.display = 'block';
		m.style.marginRight = '225px';
	}
}