function decryptCharcode(n,start,end,offset) {
	n = n + offset;
	if (offset > 0 && n > end) {
		n = start + (n - end - 1);
	} else if (offset < 0 && n < start) {
		n = end - (start - n - 1);
	}
	return String.fromCharCode(n);
}

function decryptString(enc,offset) {
	var dec = "";
	var len = enc.length;
	for(var i=0; i < len; i++) {
		var n = enc.charCodeAt(i);
		if (n >= 0x2B && n <= 0x3A) {
			dec += decryptCharcode(n,0x2B,0x3A,offset);	// 0-9 . , - + / :
		} else if (n >= 0x40 && n <= 0x5A) {
			dec += decryptCharcode(n,0x40,0x5A,offset);	// A-Z @
		} else if (n >= 0x61 && n <= 0x7A) {
			dec += decryptCharcode(n,0x61,0x7A,offset);	// a-z
		} else {
			dec += enc.charAt(i);
		}
	}
	return dec;
}

function linkTo_UnCryptMailto(s) {
	location.href = 'mailto:'+decryptString(s,-1);
}

function printMail(s) {
	document.write(decryptString(s,-1));
}
function lippstadt_for(wert, wert2){
	document.getElementById('_for').action = document.getElementById('select_for').value = wert;
	document.forms[0].submit();
}