//nice little hash implementation
function Hash()
{
      this.length = 0;
      this.items = new Array();
      for (var i = 0; i < arguments.length; i += 2) {
            if (typeof(arguments[i + 1]) != 'undefined') {
                  this.items[arguments[i]] = arguments[i + 1];
                  this.length++;
            }
      }
   
      this.removeItem = function(in_key)
      {
            var tmp_value;
            if (typeof(this.items[in_key]) != 'undefined') {
                  this.length--;
                  var tmp_value = this.items[in_key];
                  delete this.items[in_key];
            }
         
            return tmp_value;
      };

      this.getItem = function(in_key) {
            return this.items[in_key];
      };

      this.setItem = function(in_key, in_value)
      {
            if (typeof(in_value) != 'undefined') {
                  if (typeof(this.items[in_key]) == 'undefined') {
                        this.length++;
                  }

                  this.items[in_key] = in_value;
            }
         
            return in_value;
      };

      this.hasItem = function(in_key)
      {
            //return typeof(this.items[in_key]) != 'undefined';
            if(typeof(this.items[in_key]) != 'undefined')
                return true;
            else
                return false;
      };
      
      this.clear = function()
      {
          this.items = null;
          this.items = new Array();
          this.length = 0;
      };
};

// Since this script is not loaded by System.Web.Handlers.ScriptResourceHandler
// invoke Sys.Application.notifyScriptLoaded to notify ScriptManager 
// that this is the end of the script.
if (typeof(Sys) !== 'undefined') Sys.Application.notifyScriptLoaded();