function contactFormSubmit(msgName, msgEmail, msgSubject, msgMessage)
{
    if (document.getElementById('contact-name').value == '') {
        alert(msgName);

        return false;
    } else if (document.getElementById('contact-email').value == '') {
        alert(msgEmail);

        return false;
    } else if (document.getElementById('contact-subject').value == 0) {
        alert(msgSubject);

        return false;
    } else if (document.getElementById('contact-message').value == '') {
        alert(msgMessage);

        return false;
    } else {
    	document.getElementById('form-id-contact-main').className = 'hidden';
    	document.getElementById('id-contact-wait-msg').className = 'form-wait-msg';
    	
        return true;
    }
}