var is_ie6 = (
	window.external &&
	typeof window.XMLHttpRequest == "undefined"
);

$(document).ready(function() {
	if(is_ie6) {
		alert("Uw browser wordt niet ondersteund.\nWij adviseren Mozilla Firefox.");
	}
});

function sendMessage() {
	$.post("send.php", { name: $('#fname').val(), email: $('#femail').val(), subject: $('#fsubject').val(), message: $('#fmessage').val() }, callbackSend);
}

function callbackSend(c) {
	$('#btn-active').hide();
	$('#fname').val('');
	$('#femail').val('');
	$('#fsubject').val('');
	$('#fmessage').val('');
	$('#btn-done').html(c);
	$('#btn-done').show();
}