function submitForm() {
    new ajax ('send.php', 
        {
        	postBody: 'submit=true&name=' + $('name').value + '&phone=' + $('phone').value + '&email=' + $('email').value + '&comments=' + $('comments').value, // + '&confirm=' + $('confirm').checked,
        	update: $('thanksContact'), 
        	onComplete: formSubmitted
        }
    );
}

function formSubmitted(request) {
    if (request.responseText.charAt(0) == 'K') {
		document.getElementById('contactForm').className = 'hidden';
        $('thanksContact').className = 'response ok';
    } else {
        $('thanksContact').className = 'response problem';
    }
}