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Free JavaScripts provided
by The JavaScript Source


<!-- TWO STEPS TO INSTALL ASCII ENCRYPTION:


  1.  Copy the coding into the HEAD of your HTML document

  2.  Add the last code into the BODY of your HTML document  -->


<!-- STEP ONE: Paste this code into the HEAD of your HTML document  -->


<HEAD>


<SCRIPT LANGUAGE="JavaScript">

<!-- Original:  David Salsinha (david.salsinha@popsi.pt) -->


<!-- This script and many more are available free online at -->

<!-- The JavaScript Source!! http://javascript.internet.com -->


<!-- Begin

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;

}

//  End -->

</script>

</HEAD>


<!-- STEP TWO: Copy this code into the BODY of your HTML document  -->


<BODY>


<center>

<form name=encform onsubmit="return false;">

<textarea name=box1 rows=5 cols=50>The quick brown fox jumps over the lazy dog</textarea>

<p>

<input type=button value="Encrypt Box1 to Box2" onClick="this.form.box2.value=Encrypt(this.form.box1.value);">

<p>

<textarea name=box2 rows=5 cols=50></textarea>

<p>

<input type=button value="Decrypt Box2 to Box3" onClick="this.form.box3.value=unEncrypt(this.form.box2.value);">

<p>

<textarea name=box3 rows=5 cols=50></textarea>

</form>

</center>


<p><center>

<font face="arial, helvetica" size="-2">Free JavaScripts provided<br>

by <a href="http://javascriptsource.com">The JavaScript Source</a></font>

</center><p>


<!-- Script Size:  1.83 KB --> 



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