Set defaults shiftzoom.defaultFading = true; //BOOLEAN startup image fading shiftzoom.defaultButtons = true; //BOOLEAN left top buttons shiftzoom.defaultNozoom = false; //BOOLEAN disable zooming feature shiftzoom.defaultBicubic = false; //BOOLEAN enable bicubic image interpolation for IE7+ shiftzoom.defaultWheelinvert= false; //BOOLEAN makes zoom behaviour identical with Google Maps