<!-- Original:  David Salsinha (david.salsinha@popsi.pt) -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

function Encrypt(theText) {
	output = new String;
	Temp = new Array();
	Temp2 = new Array();
	TextSize = theText.length;
	for (i = 0; i < TextSize; i++) {
		rnd = Math.round(Math.random() * 122) + 68;
		Temp[i] = theText.charCodeAt(i) + rnd;
		Temp2[i] = rnd;
	}
	for (i = 0; i < TextSize; i++) {
		output += String.fromCharCode(Temp[i], Temp2[i]);
	}
	return output;
}

function unEncrypt(theText) {
	output = new String;
	Temp = new Array();
	Temp2 = new Array();
	TextSize = theText.length;
	for (i = 0; i < TextSize; i++) {
		Temp[i] = theText.charCodeAt(i);
		Temp2[i] = theText.charCodeAt(i + 1);
	}
	for (i = 0; i < TextSize; i = i+2) {
		output += String.fromCharCode(Temp[i] - Temp2[i]);
	}
	return output;
}