//Advanced Email Check credit-
//By JavaScript Kit (http://www.javascriptkit.com)
//Over 200+ free scripts here!

var testresults

function checkemail(){
	var field = document.Newsletter.email;
	var str=field.value
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(str))
		testresults=true
	else{
		alert("Bitte eine gültige E-Mail Adresse eingeben!")
		field.focus();
		testresults=false
	}
	return (testresults)
}

function checkNLEntry(){
	if (document.layers||document.getElementById||document.all)
		return checkemail()
	else
		return true
}