<!-- Formular Check -->
function chkFormular()
{
if(document.Formular.Mail.value.indexOf('@') == -1) {
alert("Keine Email-Adresse eingegeben!");
document.Formular.Mail.focus();
return false;	
} else {
alert("Danke für die Anmeldung!");
}
}

<!-- Newsletter -->
document.write('<FORM ACTION="/cgi-bin/mailmanager.pl" METHOD="POST" onSubmit="return chkFormular()" name="Formular">');
document.write('<INPUT type=hidden name="recipient" value="webmaster@transgenderservice.de">');
document.write('<INPUT type=hidden name="subject" value="Newsletter Transgenderservice">');
document.write('<INPUT type=hidden name="redirect" value="http://www.transgenderservice.de/newsletter/newsletter.html">');
document.write('<table width="182" border="0" cellspacing="0" cellpadding="10">');
document.write('<tr>');
document.write('<td valign="top" bgcolor="#234976" width="162"><strong>News Transgenderservice</strong></td>');
document.write('</tr>');
document.write('<tr height="112">');
document.write('<td align="center" bgcolor="#8eafd6" width="162" height="112">');
document.write('<table width="162" border="0" cellspacing="0" cellpadding="0" height="112">');
document.write('<tr height="34">');
document.write('<td colspan="2" width="162" height="34"><input type="text" name="Mail" value="Email-Adresse eintragen" size="25" style="width:162px; height:20px; font:11px Arial"></td>');
document.write('</tr>');
document.write('<tr height="20">');
document.write('<td colspan="2" align="center" width="162" height="20"><span>Ich will den Newsletter</span></td>');
document.write('</tr>');
document.write('<tr height="20">');
document.write('<td width="74" height="20"><input type="checkbox" name="bestellen" value="on" checked border="0">&nbsp;<span>bestellen</span></td>');
document.write('<td width="88" height="20"><input type="checkbox" name="abbestellen" value="on" border="0">&nbsp;<span>abbestellen</span></td>');
document.write('</tr>');
document.write('<tr height="38">');
document.write('<td valign="bottom" width="74" height="38"><input type="reset" value="l&ouml;schen"  border="0" style="width:60px; height:20px; font:11px Arial" width="162px"></td>');
document.write('<td align="right" valign="bottom" width="88" height="38"><input type="submit" name="submitButtonName" value="senden" border="0" style="width:60px; height:20px; font:11px Arial" width="60px"></td>');
document.write('</tr>');
document.write('</table>');
document.write('</td>');
document.write('</tr>');
document.write('</table><br>');
document.write('</FORM>');
