var testresults;
function checkemail(){
	var str=document.newsletter.email.value;
	var filter=/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
	if (filter.test(str)){
		testresults=true;
		return alertemail();
	}
	else{
		alert("Please input a valid email address!");	
		testresults=false;
		document.newsletter.email.focus();
		return false;
	}
}
function checkbae(){
	if (document.layers||document.getElementById||document.all) {
		return checkemail();
	}
	else{
		return true;
	}
}
function alertemail(){
	var str=document.newsletter.email.value;
	if (confirm("You entered \""+str+"\" as your email address. Is that correct?")){
		return true;
	}
	else{
		document.newsletter.email.focus();
		return false;
	}
}