function f_sendMail() {
	if($('#F1').val() == "" || $('#F2').val() == "" || $('#F3').val() == "" || $('#F8').val() == "" || $('#F9').val() == "") { 
		alert("Fill in all fields please.");
	} else {
		var dataString = 'F1='+ $('#F1').val() + '&F2=' + $('#F2').val() + '&F3=' + $('#F3').val() + '&F4=' + $('#F4').val() + '&F5=' + $('#F5').val() + '&F6=' + $('#F6').val() + '&F7=' + $('#F7').val() + '&F8=' + $('#F8').val() + '&F9=' + $('#F9').val();
		$.ajax({
			type: "POST",
			url: "form.php",
			data: dataString,
			success: function(data) {
				$('#contact_form').html("<td id='message'></td>");
				$('#message').html(data);
				if(data == "ok") {
					$('#message').html("<h2>Contact Form Submitted!</h2>")
					.append("<p>We will be in touch soon.</p>")
					.hide()
					.fadeIn(1500, function() {
						$('#message').append("<img id='checkmark' src='images/checkmark.png' />");
					});
					return true;
				} else if(data=="failed") {
					$('#message').html("<h2>Contact Form NOT Submitted!</h2>")
					.hide()
					.fadeIn(1500, function() {
						$('#message').append("<img id='checkmark' src='images/checkmark.png' />");
					});
					return false;
				}
			}
		});
	}
}