Password ..

These scripts all deal with JavaScript Password Protection scripts. They are an elementary attempt to protect a site and should NOT be used to protect Top Secret information. They just keep the amateurs out. Pros can infiltrate such sites with these forms of protection. But, for free, they do a good job. They are very difficult to write - just look at the code. General questions about password protection scripts here should be posted to the The JavaScript Forum. 

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 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. Lots more uses, use your imagination! 
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<!-- TWO STEPS TO INSTALL CHARACTER ENCODER:

  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:  Mike McGrath (mike_mcgrath@lineone.net) -->
<!-- Web Site:  http://website.lineone.net/~mike_mcgrath/ -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- 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>
</HEAD>

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

<BODY>

<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>

<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:  1.86 KB -->

