function validfrm() {
	var isValid = 1;
	var errorList = 'Please correct the following errors:\n\n';
	if (document.getElementById('txtFirstName').value == '') {
		isValid = 0;
		errorList = errorList + '- First Name is required.\n';
	}
	if (document.getElementById('txtLastName').value == '') {
		isValid = 0;
		errorList = errorList + '- Last Name is required.\n';
	}
	if (document.getElementById('txtEmailAddress').value == '') {
		isValid = 0;
		errorList = errorList + '- Email Address is required.\n';
	}
	if (document.getElementById('txtVettes').value == '') {
		isValid = 0;
		errorList = errorList + '- Corvette Year(s) is required.\n';
	}
	if (isValid == 1) {
		document.getElementById('frmreg').submit();
	} else {
		alert(errorList);
	}
}