function rotateBanners() {
	var logo0 = 106;	// 1. Logo
	var number = 4;		// Anzahl Logos
	var delay = 10;	 	// Sekunden Anzeige einzelnes Logo
	var dt = new Date();
	var n = (dt.getSeconds() + 60 * dt.getMinutes() + 3600 * dt.getHours()) / delay;
	n = Math.floor(n % number);
	if (document.getElementById && document.getElementById('logo' + logo0)) {
		for (var i = 0; i < number; i++) {
			var s = (i == n) ? 'visible' : 'hidden';
			document.getElementById('logo' + (logo0 + i)).style.visibility = s;
			}	
		}
	window.setTimeout('rotateBanners()', delay * 1000);	
	}
function scrollHeader() {
	if (document.getElementById && document.getElementById('header')) {
		document.getElementById('header').style.position= 'absolute';
		}
	}
function markNow() {
	var d = new Date();
	var n = 100 * (d.getMonth() + 1) + d.getDate();
	var s = 'T' + n;
	if (document.getElementById && document.getElementById(s)) {
		document.getElementById(s).style.backgroundColor = '#FFCCCC';
		}
	}
function fixCalendar() {
/*	if (document.all) {		
		var n = document.body.scrollTop;
		document.all.Calendar.style.posTop = Math.max(n, 90) + 'px';
		document.all.Calendar.style.posLeft = '605px';
		}
	else */ if (document.getElementById) {		
		var n = window.pageYOffset;
		n = Math.max(n, 90);
		var s = n.toString() + 'px';
		document.getElementById('Calendar').style.top = s;
		document.getElementById('Calendar').style.left = '605px';
		}
	window.setTimeout('fixCalendar()', 500);
	}