(function( $ ){
    
//TODO: I guess this is where the i18n needs to be reimplemented.  I'll look 
//      into existing patterns for i18n in javascript but i think that mimicking
//      pythons gettext might be a reasonable approach.
var I18N = {
    Errors: {
        Dzc:            "Sorry, we don't support Deep Zoom Collections!",
        Dzi:            "Hmm, this doesn't appear to be a valid Deep Zoom Image.",
        Xml:            "Hmm, this doesn't appear to be a valid Deep Zoom Image.",
        ImageFormat:    "Sorry, we don't support {0}-based Deep Zoom Images.",
        Security:       "It looks like a security restriction stopped us from " +
                        "loading this Deep Zoom Image.",
        Status:         "This space unintentionally left blank ({0} {1})."
    },

    Tooltips: {
        FullPage:       "Toggle full page",
        Home:           "Go home",
        ZoomIn:         "Zoom in",
        ZoomOut:        "Zoom out",
        NextPage:       "Next page",
        PreviousPage:   "Previous page"
    }
};

$.extend( $, {

    /**
     * @function
     * @name OpenSeadragon.getString
     * @param {String} property
     */
    getString: function( prop ) {
        
        var props   = prop.split('.'),
            string  = null,
            args    = arguments,
            i;

        for ( i = 0; i < props.length; i++ ) {
            // in case not a subproperty
            string = I18N[ props[ i ] ] || {};
        }

        if ( typeof( string ) != "string" ) {
            string = "";
        }

        return string.replace(/\{\d+\}/g, function(capture) {
            var i = parseInt( capture.match( /\d+/ ), 10 ) + 1;
            return i < args.length ? 
                args[ i ] : 
                "";
        });
    },

    /**
     * @function
     * @name OpenSeadragon.setString
     * @param {String} property
     * @param {*} value
     */
    setString: function( prop, value ) {

        var props     = prop.split('.'),
            container = $.Strings,
            i;

        for ( i = 0; i < props.length - 1; i++ ) {
            if ( !container[ props[ i ] ] ) {
                container[ props[ i ] ] = {};
            }
            container = container[ props[ i ] ];
        }

        container[ props[ i ] ] = value;
    }

});

}( OpenSeadragon ));