function submitForm(){
		var name = $('#name').removeClass("error").val();
		var email = $('#email').removeClass("error").val();
		var subject = $('#subject').removeClass("error").val();
		var antispam = $('#antispam').removeClass("error").val();
		var message = $('#message').removeClass("error").val();
		
		$.post('ajax.php', {name: name, email: email, subject: subject, antispam: antispam, message: message}, function(data){
			if(data.length>0){
				for(i=0; i<data.length; i++){
					$("#"+data[i]).addClass("error");
				}
			} else {
				$('.confirmation').html("Your message has been sent. Thank you for your interest in our services!");
				$('#name').removeClass("error").val('NAME');
				$('#email').removeClass("error").val('EMAIL');
				$('#subject').removeClass("error").val('SUBJECT');
				x = rand(3);
				y = antispam-x;
				$('#antispam').removeClass("error").val(x+'+'+y+' = ?');
				$('#message').removeClass("error").val('MESSAGE');
			}
		}, 'json');
}

function rand ( n )
{
  return ( Math.floor ( Math.random ( ) * n + 1 ) );
}