function checkForm(form) {
	var error = 0;
	var errorMsg = "";
	var trueFalseReg = "(^(true|false)\$)";

	if ((eval(form.chk0.checked)== false) || (eval(form.chk1.checked)==false) || (eval(form.chk2.checked)==false))
	{
		errorMsg="errors";
	}
return errorMsg;
}

function submitForm(form) {
	var errorMsg = checkForm(form);
	var reEnterMsg = " <p> Please click the 'Close' button and reenter it.</p>";
	
	if (isEmpty(errorMsg)) {
			register();
		} else {
			alert("All check list items must be ticked before you can continue");
		}
}