text: /* Copyright (c) 2009 Anton Ekblad
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software. */
  
  /*Modification by Fritz Ray of Eduworks. Removed some assumptions, sorts were off, fixed.*/
  
  // bencode an object
  function bencode(obj) {
      switch(btypeof(obj)) {
          case "string":     return bstring(obj);
          case "number":     return bint(obj);
          case "list":       return blist(obj);
          case "dictionary": return bdict(obj);
          default:           return null;
      }
  }
  
  // decode a bencoded string into a javascript object
  function bdecode(str) {
      var dec = bparse(str);
      if(dec != null && dec[1] == "")
          return dec[0];
      return null;
  }
  
  // parse a bencoded string; bdecode is really just a wrapper for this one.
  // all bparse* functions return an array in the form
  // [parsed object, remaining string to parse]
  function bparse(str) {
      switch(str.charAt(0)) {
          case "d": return bparseDict(str.substr(1));
          case "l": return bparseList(str.substr(1));
          case "i": return bparseInt(str.substr(1));
          default:  return bparseString(str);
      }
  }
  
  // parse a bencoded string
  function bparseString(str) {
      str2 = str.split(":", 1)[0];
      if(isNum(str2)) {
          len = parseInt(str2);
          return [str.substr(str2.length+1, len),
                  str.substr(str2.length+1+len)];
      }
      return null;
  }
  
  // parse a bencoded integer
  function bparseInt(str) {
      var str2 = str.split("e", 1)[0];
      if(!isNum(str2))
          return null;
      return [str2, str.substr(str2.length+1)];
  }
  
  // parse a bencoded list
  function bparseList(str) {
      var p, list = [];
      while(str.charAt(0) != "e" && str.length > 0) {
          p = bparse(str);
          if(null == p)
              return null;
          list.push(p[0]);
          str = p[1];
      }
      if(str.length <= 0)
          return null;
      return [list, str.substr(1)];
  }
  
  // parse a bencoded dictionary
  function bparseDict(str) {
      var key, val, dict = {};
      while(str.charAt(0) != "e" && str.length > 0) {
          key = bparseString(str);
          if(null == key)
              return;
  
          val = bparse(key[1]);
          if(null == val)
              return null;
  
          dict[key[0]] = val[0];
          str = val[1];
      }
      if(str.length <= 0)
          return null;
      return [dict, str.substr(1)];
  }
  
  // is the given string numeric?
  function isNum(str) {
      var i, c;
      str = str.toString();
      if(str.charAt(0) == '-')
          i = 1;
      else
          i = 0;
  
      for(; i < str.length; i++) {
          c = str.charCodeAt(i);
          if(c < 48 || c > 57) {
              return false;
          }
      }
      return true;
  }
  
  // returns the bencoding type of the given object
  function btypeof(obj) {
      var type = typeof obj;
      if(type == "object") {
          if(typeof obj.length == "undefined")
              return "dictionary";
          return "list";
      }
      return type;
  }
  
  // bencode a string
  function bstring(str) {
      return (str.length + ":" + str);
  }
  
  // bencode an integer
  function bint(num) {
      return "i" + num + "e";
  }
  
  // bencode a list
  function blist(list) {
      var str, enclist;
      enclist = [];
      for(var key = 0;key < list.length;key++) {
          enclist.push(bencode(list[key]));
      }
  
      str = "l";
      for(var key = 0;key < enclist.length;key++) {
          str += enclist[key];
      }
      return str + "e";
  }
  
  // bencode a dictionary
  function bdict(dict) {
      var str, enclist;
      enclist = []
      var listKeys = Object.keys(dict);
      listKeys.sort();
      for(var key = 0;key < listKeys.length;key++) {
          enclist.push(bstring(listKeys[key]) + bencode(dict[listKeys[key]]));
      }
  
      str = "d";
      for(var key = 0;key < enclist.length;key++) {
          str += enclist[key];
      }
      return str + "e";
  }