/* Andrew Urquhart : Client-Side Request Object for javascript : http://andrewu.co.uk/tools/request/
COPYRIGHT:You are free to use this script for any use you wish if this comment is left intact. 
Feel free to enhance the script and send me the updated version. Please don't redistribute. 
This script is provided as is,with no warranty of any kind. Use it at your own risk. 
Copyright Andrew Urquhart; VERSION:#1.41 2007-06-28 18:10 UTC
Fixed & Updated by Itai Koren 2008-01-21 16:00 UTC */
function RObj(ea)
{
    var LS = '';
    var QS = new Object();
    var un = 'undefined'; 
    var x = null;
    var f = 'function';
    var n = 'number';
    var r = 'string';
    var e1 = 'ERROR: Index out of range in\r\nRequest.QueryString';
    var e2 = 'ERROR: Wrong number of arguments or invalid property assignment\r\nRequest.QueryString';
    var e3 = 'ERROR: Object doesn\'t support this property or method\r\nRequest.QueryString.Key';
    var dU = window.decodeURIComponent ? 1 : 0;
    
    function Err(arg)
    {
        if(ea)
        {
            alert('Request Object:\r\n' + arg)
        }
    };

    function URID(t)
    {
        var d = '';
        if(t)
        {
            for(var i = 0; i < t.length; ++i)
            {
                var c = t.charAt(i);
                d += (c == '+' ? ' ' : c)
            }
        }
        return (dU ? decodeURIComponent(d) : unescape(d))
    };

    function OL(o)
    {
        var l = 0;
        for(var i in o)
        {
            if(typeof o[i] != f)
            {
                l++;
            }
        };
        return l
    };

    function AK(key)
    {
        var auk = true;
        for(var u in QS)
        {
            if(typeof QS[u] != f && u.toString().toLowerCase() == key.toLowerCase())
            {
                auk = false;
                return u;
            }
        }
        if(auk)
        {
            QS[key] = new Object();
            QS[key].toString = function()
                               {
                                   return TS(QS[key])
                               };
            QS[key].Count = function()
                            {
                                return OL(QS[key])
                            };
            QS[key].Count.toString = function()
                                     {
                                         return OL(QS[key]).toString()
                                     };
            QS[key].Item = function(e)
                           {
                               if(typeof e == un)
                               {
                                   return QS[key]
                               }
                               else 
                               {
                                   if(typeof e == n)
                                   {
                                       var a = QS[key][Math.ceil(e)];
                                       if(typeof a == un)
                                       {
                                           Err(e1 + '("' + key + '").Item(' + e + ')');
                                       };
                                       return a;
                                  }
                                  else 
                                  {
                                       Err('ERROR: Expecting numeric input in\r\nRequest.QueryString("' + key + '").Item("' + e + '")');
                                  }
                              }
                           };
            QS[key].Item.toString = function(e)
                                    {
                                        if(typeof e == un)
                                        {
                                            return QS[key].toString()
                                        }
                                        else 
                                        {
                                            var a = QS[key][e];
                                            if(typeof a == un)
                                            {
                                                Err(e1 + '("' + key + '").Item(' + e + ')');
                                            };
                                            return a.toString();
                                        }
                                    };
            QS[key].Key = function(e)
                          {
                              var t = typeof e;
                              if(t == r)
                              {
                                  var a = QS[key][e];
                                  return (typeof a != un && a && a.toString() ? e : '')
                              }
                              else 
                              {
                                  Err(e3 + '(' + (e ? e : '') + ')');
                              }
                          };
            QS[key].Key.toString = function()
                                   {
                                       return x;
                                   }
        };
        return key;
    };

    function AVTK(key, val)
    {
        if(key != '')
        {
            var key = AK(key);
            var l = OL(QS[key]);
            QS[key][l + 1] = val;
        }
    };

    function TS(o)
    {
        var s = '';
        for(var i in o)
        {
            var ty = typeof o[i];
            if(ty == 'object')
            {
                s += TS(o[i]);
            }
            else if(ty != f)
            {
                s += o[i] + ', ';
            }
         };
         var l = s.length;
         if(l > 1)
         {
             return (s.substring(0, l - 2));
         }
         return (s == '' ? x : s);
     };

     function KM(k, o)
     {
         var k = k.toLowerCase();
         for(var u in o)
         {
             if(typeof o[u] != f && u.toString().toLowerCase() == k)
             {
                 return u;
             }
         }
     }

     if(window.location && window.location.search)
     {
         LS = window.location.search;
         var l = LS.length;
         if(l > 0)
         {
             LS = LS.substring(1, l);
             var preAmpAt = 0;
             var ampAt = -1;
             var eqAt = -1;
             var k = 0;
             var skip = false;
             for(var i = 0; i < l; ++i)
             {
                 var c = LS.charAt(i);
                 if(LS.charAt(preAmpAt) == '=' || (preAmpAt == 0 && i == 0 && c == '='))
                 {
                     skip = true;
                 }
                 if(c == '=' && eqAt == -1 && !skip)
                 {
                     eqAt = i;
                 }
                 if(c == '&' && ampAt == -1)
                 {
                     if(eqAt != -1)
                     {
                         ampAt =i; 
                     }
                     if(skip)
                     {
                         preAmpAt = i + 1;
                     };
                     skip = false;
                 }
                 if(ampAt > eqAt)
                 {
                     AVTK(URID(LS.substring(preAmpAt, eqAt)), URID(LS.substring(eqAt + 1, ampAt)));
                     preAmpAt = ampAt + 1;
                     eqAt = ampAt = -1;
                     ++k;
                 }
             }
             if(LS.charAt(preAmpAt) != '=' && (preAmpAt != 0 || i != 0 || c != '='))
             {
                 if(preAmpAt != l)
                 {
                     if(eqAt != -1)
                     {
                         AVTK(URID(LS.substring(preAmpAt, eqAt)), URID(LS.substring(eqAt + 1, l)));
                     } 
                     else if(preAmpAt != l - 1)
                     {
                         AVTK(URID(LS.substring(preAmpAt, l)), '');
                     }
                 }
                 if(l == 1)
                 {
                     AVTK(LS.substring(0, 1), '');
                 }
             }
         }
     };

     var TC = OL(QS);
     if(!TC)
     {
         TC = 0;
     };
     
     QS.toString = function()
                   {
                       return LS.toString();
                   };
     QS.Count = function()
                {
                    return (TC ? TC : 0);
                };
     QS.Count.toString = function()
                         {
                             return (TC ? TC.toString() : '0');
                         };
     QS.Item = function(e)
               {
                   if(typeof e == un)
                   {
                       return LS;
                   }
                   else 
                   {
                       if(typeof e == n)
                       {
                           var e = Math.ceil(e);
                           var c = 0;
                           for(var i in QS)
                           {
                               if(typeof QS[i] != f && ++c == e)
                               {
                                   return QS[i];
                               }
                           };
                           Err(e1 + '().Item(' + e + ')');
                       }
                       else 
                       {
                           return QS[KM(e, QS)];
                       }
                   };
                   return x;
               };
     QS.Item.toString = function()
                        {
                            return LS.toString();
                        };
     QS.Key = function(e)
              {
                  var t = typeof e;
                  if(t == n)
                  {
                      var e = Math.ceil(e);
                      var c = 0;
                      for(var i in QS)
                      {
                          if(typeof QS[i] != f && ++c == e)
                          {
                              return i;
                          }
                      }
                  }
                  else if(t == r)
                  {
                      var e = KM(e, QS);
                      var a = QS[e];
                      return (typeof a != un && a && a.toString() ? e : '');
                  }
                  else 
                  {
                      Err(e2 + '().Key(' + (e ? e : '') + ')');
                  };
                  Err(e1 + '().Item(' + e + ')');
              };
     QS.Key.toString = function()
                       {
                           Err(e2 + '().Key');
                       };
     this.QueryString = function(k)
                        {
                            if(typeof k == un)
                            {
                                return QS;
                            }
                            else 
                            {
                                if(typeof k == n)
                                {
                                    return QS.Item(k);
                                };
                                var k = KM(k, QS);
                                if(typeof QS[k] == un)
                                {
                                    t = new Object();
                                    t.Count = function()
                                              {
                                                  return 0;
                                              };
                                    t.Count.toString = function()
                                                       {
                                                           return '0';
                                                       };
                                    t.toString = function()
                                                 {
                                                     return x;
                                                 };
                                    t.Item = function(e)
                                             {
                                                 return x;
                                             };
                                    t.Item.toString = function()
                                                      {
                                                          return x;
                                                      };
                                    t.Key = function(e)
                                            {
                                                Err(e3 + '(' + (e ? e : '') + ')');
                                            };
                                    t.Key.toString = function()
                                                     {
                                                         return x;
                                                     };
                                    return t;
                                }
                                else 
                                {
                                    return QS[k];
                                }
                            }
                        };
                        
     this.QueryString.toString = function()
                                 {
                                     return LS.toString();
                                 };
     this.QueryString.Count = function()
                              {
                                  return (TC ? TC : 0);
                              };
     this.QueryString.Count.toString = function()
                                       {
                                           return (TC ? TC.toString() : '0');
                                       };
     this.QueryString.Item = function(e)
                             {
                                 if(typeof e == un)
                                 {
                                     return LS.toString();
                                 }
                                 else 
                                 {
                                     if(typeof e == n)
                                     {
                                         var e = Math.ceil(e);
                                         var c = 0;
                                         for(var i in QS)
                                         {
                                             if(typeof QS[i] != f && ++c == e)
                                             {
                                                 return QS[i];
                                             }
                                         };
                                         Err(e1 + '.Item(' + e + ')');
                                     }
                                     else 
                                     {
                                         return QS[KM(e, QS)];
                                     }
                                 }
                                 if(typeof e == n)
                                 {
                                     Err(e1 + '.Item(' + e + ')');
                                 };
                                 return x;
                             };
     this.QueryString.Item.toString = function()
                                      {
                                          return LS.toString();
                                      };
     this.QueryString.Key = function(e)
                            {
                                var t = typeof e;
                                if(t == n)
                                {
                                    var e = Math.ceil(e);
                                    var c = 0;
                                    for(var i in QS)
                                    {
                                        if(typeof QS[i] == 'object' && (++c == e))
                                        {
                                            return i;
                                        }
                                    }
                                }
                                else if(t == r)
                                {
                                    var e = KM(e, QS);
                                    var a = QS[e];
                                    return (typeof a != un && a && a.toString() ? e : '');
                                }
                                else 
                                {
                                    Err(e2 + '.Key(' + (e ? e : '') + ')');
                                };
                                Err(e1 + '.Item(' + e + ')');
                            };
     this.QueryString.Key.toString = function()
                                     {
                                         Err(e2 + '.Key');
                                     };
     this.Version = 1.4;
};

var Request = new RObj(true);