function backgroundChange () {
			dateToday = new Date();
			timeNow = dateToday.getTime();
			dateToday.setTime(timeNow);
			theHour = dateToday.getHours();
			if (theHour > 22) {
				document.getElementById('bodyAlpin').style.backgroundImage = "url(fileadmin/img/bodyBackgroundRepeatNight.jpg)";
				document.getElementById('alpinBody').style.backgroundImage = "url(fileadmin/img/bodyBackgroundRepeatNightMond.jpg)";
				document.getElementById('bodyAlpin').style.backgroundColor = "#030b53";
			} else if (theHour > 17) {
				document.getElementById('bodyAlpin').style.backgroundImage = "url(fileadmin/img/bodyBackgroundRepeatEvening.jpg)";
				document.getElementById('alpinBody').style.backgroundImage = "url(fileadmin/img/bodyBackgroundSunEvening.jpg)";
				document.getElementById('alpinBody').style.backgroundPosition = "right top";
				document.getElementById('bodyAlpin').style.backgroundColor = "#030c52";
			} else if (theHour > 9) {
				document.getElementById('bodyAlpin').style.backgroundImage = "url(fileadmin/img/bodyBackgroundRepeatDay.jpg)";
			} else if (theHour > 5) {
				document.getElementById('bodyAlpin').style.backgroundImage = "url(fileadmin/img/bodyBackgroundRepeatMorning.jpg)";
				document.getElementById('alpinBody').style.backgroundImage = "url(fileadmin/img/bodyBackgroundRepeatMorningSonne.jpg)";
				document.getElementById('bodyAlpin').style.backgroundColor = "#fef5ea";
			} else if (theHour >= 0) {
				document.getElementById('bodyAlpin').style.backgroundImage = "url(fileadmin/img/bodyBackgroundRepeatNight.jpg)";
				document.getElementById('alpinBody').style.backgroundImage = "url(fileadmin/img/bodyBackgroundRepeatNightMond.jpg)";
				document.getElementById('bodyAlpin').style.backgroundColor = "#030b53";
			}
		}