function CorrectEmailaddress(SubscriberForm){
	if (SubscriberForm.pf_Email.value.length > 255) {
		alert("Voer maximaal 255 tekens in de \"Email adres\" field.");
		SubscriberForm.pf_Email.focus();
		return (false);
	}
	if (SubscriberForm.pf_Email.value == "") {
		alert("Vul een geldig email adres in. \"Email adres\" field.");
		SubscriberForm.pf_Email.focus();
		return (false);
	}
	if (SubscriberForm.pf_Email.value.length < 7) {
		alert("Vul minimaal 7 karakters in. \"Email adres\"field.");
		SubscriberForm.pf_Email.focus();
		return (false);
	}
	pf_Email=SubscriberForm.pf_Email.value
	at=pf_Email.indexOf("@");
	lastat=pf_Email.lastIndexOf("@");
	dot=pf_Email.lastIndexOf(".");
	
	if(at<1||at!=lastat||dot<at) {
		alert("Uw Email adres is niet juist . Graag opnieuw proberen..");
		return false;
	}
}