function Email() {
alert('Bitte übernehmen Sie die eMail-Adresse aus dem Dokument.');
}

function Email(adCrpt) {
var key = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var email = adCrpt.replace(/ziz/,'@');
var email2 = new String();

for(var i = 0; i < email.length; i++) {
var codechar	= email.substring(i, i + 1);
var pos = key.indexOf(codechar.toUpperCase());

if(pos >= 0) {
pos = (pos + key.length / 2) % key.length;
codechar	= (codechar == codechar.toUpperCase()) ?
key.substring(pos, pos + 1) :
key.substring(pos, pos + 1).toLowerCase();
}
email2	= email2 + codechar;
}
window.location = 'mailto:'+email2;
}