{NeoBook Function}
Version=5,60
Language=JScript
Param=[%1]|Text|Source string
Param=[%2]|Text|Encryption key
Param=[%3]|Text|"Encrypt" = Encrypt, "Decrypt" = Decrypt
{End}
function utf8_encode(string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}

		return utftext;
	}

		function utf8_decode(utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while ( i < utftext.length ) {

			c = utftext.charCodeAt(i);

			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}

		}

		return string;
	}


function rc4Encrypt(key, pt) {
	s = new Array();
	for (var i=0; i<256; i++) {
		s[i] = i;
	}
	var j = 0;
	var x;
	for (i=0; i<256; i++) {
		j = (j + s[i] + key.charCodeAt(i % key.length)) % 256;
		x = s[i];
		s[i] = s[j];
		s[j] = x;
	}
	i = 0;
	j = 0;
	var ct = '';
	for (var y=0; y<pt.length; y++) {
		i = (i + 1) % 256;
		j = (j + s[i]) % 256;
		x = s[i];
		s[i] = s[j];
		s[j] = x;
		ct += String.fromCharCode(pt.charCodeAt(y) ^ s[(s[i] + s[j]) % 256]);
	}
	return ct;
}

function rc4Decrypt(key, ct) {
	return rc4Encrypt(key, ct);
}

function hexEncode(data){
	var b16_digits = '0123456789abcdef';
	var b16_map = new Array();
	for (var i=0; i<256; i++) {
		b16_map[i] = b16_digits.charAt(i >> 4) + b16_digits.charAt(i & 15);
	}

	var result = new Array();
	for (var i=0; i<data.length; i++) {
		result[i] = b16_map[data.charCodeAt(i)];
	}

	return result.join('');
}

function hexDecode(data){
	var b16_digits = '0123456789abcdef';
	var b16_map = new Array();
	for (var i=0; i<256; i++) {
		b16_map[b16_digits.charAt(i >> 4) + b16_digits.charAt(i & 15)] = String.fromCharCode(i);
	}
	if (!data.match(/^[a-f0-9]*$/i)) return false;// return false if input data is not a valid Hex string

	if (data.length % 2) data = '0'+data;

	var result = new Array();
	var j=0;
	for (var i=0; i<data.length; i+=2) {
		result[j++] = b16_map[data.substr(i,2)];
	}

	return result.join('');
}

if ("[%3]" == "Encrypt")
  {
  nbsetvar ("[Result]", hexEncode(rc4Encrypt("[%2]", utf8_encode("[%1]"))))
  }
else
  {
  nbsetvar ("[Result]", utf8_decode(rc4Decrypt("[%2]", hexDecode("[%1]"))))
  }
