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Password Protect >>> Character Encoder.

Encrypts a string by converting each character to it's ASCII key code. Supports two-way encryption - from a string to the numeric code, or from the numeric code back to the string. You can, for example, send the encrypted code to a friend and have them decode it with this script.

Original String Encrypted Code

Add the below code to the <body> section of your page:

<script language="javascript" type="text/javascript">
/* Visit http://www.yaldex.com/ for full source code
and get more free JavaScript, CSS and DHTML scripts! */
<!-- Begin
var str_in;
var str_out = "";
var num_in;
var num_out = "";
var e = "Enter Text!";

function str_to_num(form) {
num_out = "";
if(form.input.value == "") alert(e);
else {
str_in = escape(form.input.value);
for(i = 0; i < str_in.length; i++) {
num_out += str_in.charCodeAt(i) - 23;
}
form.output.value = num_out;
form.input.value = "";
   }
}

function num_to_str(form) {
str_out = "";
if(form.output.value == "") alert(e)
else {
num_out = form.output.value; 
for(i = 0; i < num_out.length; i += 2) {
num_in = parseInt(num_out.substr(i,[2])) + 23;
num_in = unescape('%' + num_in.toString(16));
str_out += num_in;
}
form.input.value = unescape(str_out);
form.output.value = "";
   }
}
//  End -->
</script>
<center>
<form name=encryptform>
<table>
<tr>
<td
align=center>Original String</td>
<td>
</td>
<td
align=center>Encrypted Code</td>
</tr>
<tr>
<td
align=center><input name=input type=text size=40 value="JavaScript Source"></td>
<td
align=center>
<input type=button value="<--" onClick="javascript:num_to_str(this.form)"><br>
<input type=button value="-->" onClick="javascript:str_to_num(this.form)">
</td>
<td
align=center><input name=output type=text size=40></td>
</tr>
</table>
</form>
</center>

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