function sendmail() {
	// spam protection
	var ct = "14edaf09d3f946451f81680e2dee27a879146f2cda53866b530010f9d8271c0a";
	var key = "0123456789abcdef0123456789abcdef";
	var res = aes128_decrypt(ct, key);
	var i;
	for (i = 0; i < res.length; i++)
		if (res.charCodeAt(i) == 0)
			break;
	window.location.href = res.substr(0, i);
}