function addSubmitForm(quantityId)
{
	var textbox = document.getElementById(quantityId);
	
	if (textbox.value == 'NaN' || textbox.value == 0) {
		textbox.value = 1;
	}
	
	document.getElementById('product_form').submit();
}

/* Message block toggle and send functions */
$(function(){
	$('#message_block').find('p:first').show();
	$('#message_block_toggle').click(function(e){
		e.preventDefault();
		$('#message_block_slider').toggle('slow');
	});
	$('#message_block_form').initQuestionForm();
	$('#message_block_slider').hide();
});