		<!--
			function CheckInput(){	//-- testet die Eingabe des Formulars
				var theForm = document.forms[0];
				var ok = "yes";
				var Zeichen = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZäöüßÄÜÖ- /&"
				var Zahlen = "01234567890 "
				if (theForm.Vorname.value == ""&& theForm.Nachname.value == ""&& theForm.Adresse.value == ""
				&& theForm.Postleitzahl.value == ""&& theForm.Ort.value == ""&& theForm.Email.value == "")
				{
					alert("Bitte machen Sie in allen Sternchenfeldern * eine Eingabe!!");
					theForm.Vorname.focus();
					return false;
						}
						else {
							if (theForm.Vorname.value == ""){
							alert ("Bitte geben Sie Ihren Vornamen ein!");
							theForm.Vorname.focus();
							return false;
							}
							{
						var temp2;
							for (var j=0; j<theForm.Vorname.value.length; j++) {
							temp2 = "" + theForm.Vorname.value.substring(j, j+1);
							if (Zeichen.indexOf(temp2) == "-1") ok = "no";
							}
							if (ok == "no") {
							alert("Bitte Eingabe des Vornamen überprüfen!");
							theForm.Vorname.focus();
							return false;
							}
							}
						if (theForm.Nachname.value == ""){
							alert ("Bitte geben Sie Ihren Nachnamen ein!");
							theForm.Nachname.focus();
							return false;
							}
							{
						var temp1;
							for (var i=0; i<theForm.Nachname.value.length; i++) {
							temp1 = "" + theForm.Nachname.value.substring(i, i+1);
							if (Zeichen.indexOf(temp1) == "-1") ok = "no";
							}
							if (ok == "no") {
							alert("Bitte Eingabe des Nachnamen überprüfen!");
							theForm.Nachname.focus();
							return false;
							}
							}
							if (theForm.Adresse.value == ""){
							alert ("Bitte geben Sie Ihre Adresse ein!");
							theForm.Adresse.focus();
							return false;
							}
							{
						var validAdresse = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZäöüßÄÜÖ- 1234567890/&"
							var temp3;
							for (var k=0; k<theForm.Adresse.value.length; k++) {
							temp3 = "" + theForm.Adresse.value.substring(k, k+1);
							if (validAdresse.indexOf(temp3) == "-1") ok = "no";
							}
							if (ok == "no") {
							alert("Bitte Eingabe der Adresse überprüfen!");
							theForm.Adresse.focus();
							return false;
				   			}
							}
						if (theForm.Postleitzahl.value == "") {
							alert ("Wie lautet Ihre Postleitzahl?");
							theForm.Postleitzahl.focus();
							return false;
							}
						if (theForm.Postleitzahl.value.length <4 || theForm.Postleitzahl.value.length >5){
							alert ("Bitte Eingabe der Postleitzahl überprüfen!");
							theForm.Postleitzahl.focus();
							return false;
							}
							{
							var temp4;
							for (var m=0; m<theForm.Postleitzahl.value.length; m++) {
							temp4 = "" + theForm.Postleitzahl.value.substring(m, m+1);
							if (Zahlen.indexOf(temp4) == "-1") ok = "no";
							}
							if (ok == "no") {
							alert("Postleitzahlen bestehen nur aus Ziffern!");
							theForm.Postleitzahl.focus();
							return false;
				   			}
							}
						if (theForm.Ort.value == ""){
							alert ("Bitte geben Sie Ihren Wohnort ein!");
							theForm.Ort.focus();
							return false;
							}
							{
						var temp5;
							for (var l=0; l<theForm.Ort.value.length; l++) {
							temp5 = "" + theForm.Ort.value.substring(l, l+1);
							if (Zeichen.indexOf(temp5) == "-1") ok = "no";
							}
							if (ok == "no") {
							alert("Bitte Eingabe des Wohnortes überprüfen!");
							theForm.Ort.focus();
							return false;
				   			}
							}
						if (theForm.Email.value == ""){
							alert ("Bitte geben Sie Ihre Email-Adresse ein!");
							theForm.Email.focus();
							return false;
							}
						    {				
var inhalt;
inhalt = theForm.Email.value;
{

/* The following variable tells the rest of the function whether or not
to verify that the address ends in a two-letter country or well-known
TLD.  1 means check it, 0 means don't. */

var checkTLD=0;

/* The following is the list of known TLDs that an e-mail address must end with. */

var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|de|it|f|info|pro|museum)$/;

/* The following pattern is used to check if the entered e-mail address
fits the user@domain format.  It also is used to separate the username
from the domain. */

var emailPat=/^(.+)@(.+)$/;

/* The following string represents the pattern for matching all special
characters.  We don't want to allow special characters in the address. 
These characters include ( ) < > @ , ; : \ " . [ ] */

var specialChars="äüöÄÜÖß\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

/* The following string represents the range of characters allowed in a 
username or domainname.  It really states which chars aren't allowed.*/

var validChars="\[^\\s" + specialChars + "\]";

/* The following pattern applies if the "user" is a quoted string (in
which case, there are no rules about which characters are allowed
and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
is a legal e-mail address. */

var quotedUser="(\"[^\"]*\")";

/* The following pattern applies for domains that are IP addresses,
rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
e-mail address. NOTE: The square brackets are required. */

var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

/* The following string represents an atom (basically a series of non-special characters.) */

var atom=validChars + '+';

/* The following string represents one word in the typical username.
For example, in john.doe@somewhere.com, john and doe are words.
Basically, a word is either an atom or quoted string. */

var word="(" + atom + "|" + quotedUser + ")";

// The following pattern describes the structure of the user

var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

/* The following pattern describes the structure of a normal symbolic
domain, as opposed to ipDomainPat, shown above. */

var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

/* Finally, let's start trying to figure out if the supplied address is valid. */

/* Begin with the coarse pattern to simply break up user@domain into
different pieces that are easy to analyze. */

var matchArray=inhalt.match(emailPat);

if (matchArray==null) {

/* Too many/few @'s or something; basically, this address doesn't
even fit the general mould of a valid e-mail address. */

alert("Bitte überprüfen Sie die Eingabe Ihrer Email-Adresse!");
theForm.Email.focus();
return false;
}
var user=matchArray[1];
var domain=matchArray[2];

// Start by checking that only basic ASCII characters are in the strings (0-127).

for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("Bitte überprüfen Sie die Eingabe Ihrer Email-Adresse!");
theForm.Email.focus();
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("Bitte überprüfen Sie die Eingabe Ihrer Email-Adresse!");
theForm.Email.focus();
return false;
   }
}

// See if "user" is valid 

if (user.match(userPat)==null) {

// user is not valid

alert("Bitte überprüfen Sie die Eingabe Ihrer Email-Adresse!");
theForm.Email.focus();
return false;
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
host name) make sure the IP address is valid. */

var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {

// this is an IP address

for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Bitte überprüfen Sie die Eingabe Ihrer Email-Adresse!");
theForm.Email.focus();
return false;
   }
}
return true;
}

// Domain is symbolic name.  Check if it's valid.
 
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert("Bitte überprüfen Sie die Eingabe Ihrer Email-Adresse!");
theForm.Email.focus();
return false;
   }
}

/* domain name seems valid, but now make sure that it ends in a
known top-level domain (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding 
the domain or country. */

if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("Bitte überprüfen Sie die Eingabe Ihrer Email-Adresse!");
theForm.Email.focus();
return false;
}

// Make sure there's a host name preceding the domain.

if (len<2) {
alert("Bitte überprüfen Sie die Eingabe Ihrer Email-Adresse!");
theForm.Email.focus();
return false;
}

// If we've gotten this far, everything's valid!
return true;
}
						}
						}
						}
												//-->