function CheckData() {
	if (document.theform.email.value.length > 0) {
		re = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/
		if (re.test(theform.email.value)) {
			return true;
		} else {
			alert ("Sorry, You've entered an invalid email address.  Please try again.");
			theform.email.focus();
			theform.email.select();
			return false;
		}
	} else {
		alert ("Please enter your email address.");
		var problem = true;
	}
	if (problem == true) {
		return false;
	} else {
		return true;
	}
} //end CheckData() functions