Unescape Encoder/Decode : Unescape « Security « JavaScript DHTML

Home
JavaScript DHTML
1.Ajax Layer
2.Data Type
3.Date Time
4.Development
5.Document
6.Dojo toolkit
7.Event
8.Event onMethod
9.Ext JS
10.Form Control
11.GUI Components
12.HTML
13.Javascript Collections
14.Javascript Objects
15.Javascript Properties
16.jQuery
17.Language Basics
18.Mochkit
19.Mootools
20.Node Operation
21.Object Oriented
22.Page Components
23.Rico
24.Scriptaculous
25.Security
26.SmartClient
27.Style Layout
28.Table
29.Utilities
30.Window Browser
31.YUI Library
JavaScript DHTML » Security » Unescape 




Unescape Encoder/Decode

<html>
  <head>
    <title>Unescape Encoder/Decoder</title>
    <!--
      CryptoMX Tools
      Copyright (C2004 2006 Derek Buitenhuis

      This program is free software; you can redistribute it and/or
      modify it under the terms of the GNU General Public License
      as published by the Free Software Foundation; either version 2
      of the License, or (at your optionany later version.

      This program is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU General Public License for more details.

      You should have received a copy of the GNU General Public License
      along with this program; if not, write to the Free Software
      Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
    -->
    <script language="javascript">
      var encN=1;

      function decodeTxt(s){
      var s1=unescape(s.substr(0,s.length-1));
      var t='';
      for(i=0;i<s1.length;i++)t+=String.fromCharCode(s1.charCodeAt(i)-s.substr(s.length-1,1));
      return unescape(t);
      }

      function encodeTxt(s){
      s=escape(s);
      var ta=new Array();
      for(i=0;i<s.length;i++)ta[i]=s.charCodeAt(i)+encN;
      return ""+escape(eval("String.fromCharCode("+ta+")"))+encN;
      }

      function escapeTxt(os){
      var ns='';
      var t;
      var chr='';
      var cc='';
      var tn='';
      for(i=0;i<256;i++){
      tn=i.toString(16);
      if(tn.length<2)tn="0"+tn;
      cc+=tn;
      chr+=unescape('%'+tn);
      }
      cc=cc.toUpperCase();
      os.replace(String.fromCharCode(13)+'',"%13");
      for(q=0;q<os.length;q++){
      t=os.substr(q,1);
      for(i=0;i<chr.length;i++){
      if(t==chr.substr(i,1)){
      t=t.replace(chr.substr(i,1),"%"+cc.substr(i*2,2));
      i=chr.length;
      }}
      ns+=t;
      }
      return ns;
      }
      function unescapeTxt(s){
      return unescape(s);
      }
      function wF(s){
      document.write(decodeTxt(s));
      }
    </script>
  </head>
  <body bgcolor="#FFFFFF" alink="#C0C0C0" link="#C0C0C0" vlink="#C0C0C0">
    <font color=#000000 size="5">
      <br>
      <center>
        <form name="fA">
          Decoded
          <br>
          <textarea id="f1" cols=50 rows=10 wrap="off"></textarea>
          <br><br>
          <input type="button" width="50%" value="Encode" onclick="document.fA.c1.value=escapeTxt(document.fA.f1.value)"> &nbsp; &nbsp;
          <input type="button" value="Decode" onclick="document.fA.f1.value=unescapeTxt(document.fA.c1.value)">
          <br><br>Encoded
          <br>
          <textarea id="c1" cols=50 rows=10></textarea>
          <br><br>
          <font color=#000000 size="3">
            This can be used with the unescape( )function in JavaScript.
          </font>
        </form>
      </center>
    </font>
  </body>
</html>
           
       














Related examples in the same category
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.