// JavaScript Document

function checkForm(){

	if (document.subscribeForm.CustomFields_4_5.value ==""){
		alert("Please enter your name.");
		document.subscribeForm.CustomFields_4_5.focus();
		return false;
	}

	if (document.subscribeForm.email.value ==""){
		alert("Please enter your email address.");
		document.subscribeForm.email.focus();
		return false;
	}

	if (document.subscribeForm.email.value !=""){
		var x = document.subscribeForm.email.value;
		var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
			if (!filter.test(x)) {
				alert("Oops, looks like there's a problem with your email address.");
				document.subscribeForm.email.focus();
				return false;
			}
	}

	if (!document.subscribeForm.CustomFields9_5_tanOnlySubscriber.checked && !document.subscribeForm.CustomFields9_5_spaOnlySubscriber.checked && !document.subscribeForm.CustomFields9_5_tanSpaSubscriber.checked) {
		alert("Please choose the type of information you would like to receive.");
		return false;
		}
	
	return (true);
	
}