code: function(key) {
  			var rs = _engine.execute('SELECT value FROM ' + _TABLE_NAME + ' WHERE key="' + eURI(key) + '" AND location="' + eURI(this._location) + '"'),
  				value = '';
  
  			try {
  				while (rs.isValidRow()) {
  					var temp = rs.field(0);
  					value += rs.field(0);
  					rs.next();
  				}
  			}
  			finally {
  				rs.close();
  			}
  
  			return value ? dURI(value) : null;
  		}
docs: /*
  Implementation to fetch an item from the storage engine.
  @see YAHOO.util.Storage._getItem