/*Home-Varianten wechseln*/
function change_layout () {
	var jetzt = new Date();
	var sekunden = jetzt.getSeconds();
	var split = sekunden % 2;
	if (document.getElementById) {
		document.getElementById("homegross").style.visibility = "hidden";
		document.getElementById("homezitatgross").style.visibility = "hidden";
		document.getElementById("homeautorgross").style.visibility = "hidden";
		document.getElementById("homecovergross").style.visibility = "hidden";
		document.getElementById("homelobinger").style.visibility = "hidden";
		document.getElementById("homezitatlobinger").style.visibility = "hidden";
		document.getElementById("homeautorlobinger").style.visibility = "hidden";
		document.getElementById("homecoverlobinger").style.visibility = "hidden";
		if (split == 0) {
			document.getElementById("homegross").style.visibility = "visible";
			document.getElementById("homezitatgross").style.visibility = "visible";
			document.getElementById("homeautorgross").style.visibility = "visible";
			document.getElementById("homecovergross").style.visibility = "visible";
		}
		else {
			document.getElementById("homelobinger").style.visibility = "visible";
			document.getElementById("homezitatlobinger").style.visibility = "visible";
			document.getElementById("homeautorlobinger").style.visibility = "visible";
			document.getElementById("homecoverlobinger").style.visibility = "visible";
		}
	}
}
/*Mailto-Link*/
function UnCryptMailto(s, shift) {
	var n = 0;
	var r = "";
	for (var i = 0; i < s.length; i++) {
		n = s.charCodeAt(i);
		if (n >= 8364) {
			n = 128;
		}
		r += String.fromCharCode(n - (shift));
	}
	return r;
}
function linkTo_UnCryptMailto(s, shift) {
	location.href = UnCryptMailto(s, shift);
}
/*Kontaktformular*/
function CheckInput(Sprache) {
	if (this.document.Beratung.Nachname.value == "") {
		if (Sprache == "en") {
			alert ("Please enter your last name.");
		} else {
			alert ("Geben Sie bitte Ihren Nachnamen ein.");
		}
		this.document.Beratung.Nachname.focus();
		return false;
	}
	if (this.document.Beratung.Strasse.value == "") {
		if (Sprache == "en") {
			alert ("Please enter your address.");
		} else {
			alert ("Geben Sie bitte Ihre Anschrift ein.");
		}
		this.document.Beratung.Strasse.focus();
		return false;
	}
	if (this.document.Beratung.Ort.value == "" ) {
		if (Sprache == "en") {
			alert ("Please enter your address.");
		} else {
			alert ("Geben Sie bitte Ihre Anschrift ein.");
		}
		this.document.Beratung.Ort.focus();
		return false;
	}
	var Input = this.document.Beratung.EMail.value;
	var Laenge = Input.length;
	if (Laenge > 0) {
		var Leer = Input.indexOf(" ");
		var ErstesAt = Input.indexOf("@");
		var LetztesAt = Input.lastIndexOf("@");
		if (Laenge < 6 || Leer != -1 || ErstesAt < LetztesAt || ErstesAt < 1 || LetztesAt > Laenge - 5) {
			if (Sprache == "en") {
				alert ("Please enter a valid e-mail address.");
			} else {
				alert ("Bitte eine gültige E-Mail-Adresse eingeben.");
			}
			this.document.Beratung.EMail.focus();
			return false;
		}
	}
}