docs: function(maxExtent) {    
  
          var newLonLat = this.clone();
      
          if (maxExtent) {
              //shift right?
              while (newLonLat.lon < maxExtent.left) {
                  newLonLat.lon +=  maxExtent.getWidth();
              }    
             
              //shift left?
              while (newLonLat.lon > maxExtent.right) {
                  newLonLat.lon -= maxExtent.getWidth();
              }    
          }
                  
          return newLonLat;
      }