function popNewsletter(inout) {
	address = document.forms["optinout"].elements[0].value;
	if(address && (address!="Ihre eMail-Adresse")) {
		var url = "http://letters.popletter.com/ambrosi/optinout.php?inOut="+inout+"&address="+address+"&l=11";
		window.open(url,"optWin","width=300,height=180,top=50,left=100,scrollbars=no");
	}
	else {
		alert("Bitte geben Sie eine Adresse ein.");
	}
}