// Validate PIN and Email address textfield
function validateform(oEvaluationCodeForm)
{
    boolean bReturn = true;
    
	// If 'PIN' field or 'Email address' field is empty.
	if(("" == oEvaluationCodeForm.strPIN.value) || ("" == oEvaluationCodeForm.strEmail.value))
	{
		alert("PIN or E-mail address field is empty!")
		bReturn = false;
	}
	
	return bReturn;
}