HTML 5 FullScreen API jQuery Plugin

jquery.fullscreen.js

(function($) {

    var body = document.body,
        _standard = !!(body.requestFullScreen && document.cancelFullScreen),
        _mz_style = !!(body.mozRequestFullScreen && document.mozCancelFullScreen),
        _wk_style = !!(body.webkitRequestFullScreen && document.webkitCancelFullScreen),
        _requestFullScreen, _cancelFullScreen, _fullScreenData;

    $.fn.requestFullScreen = function() {
        _requestFullScreen(this[0]);
        return this;
    };

    $.fn.cancelFullScreen = function() {
        _cancelFullScreen(this[0]);
        return this;
    };

    $.fn.toggleFullScreen = function() {
        var fs = $.fullScreenData().fullScreen;
        if ( fs ) {
            this.cancelFullScreen();
        } else {
            this.requestFullScreen();
        }
    };

    $.fullScreenData = function() {
        return _fullScreenData();
    };

    _requestFullScreen = function(el) {
        if ( _standard ) {
            return el.requestFullScreen();
        } else if ( _mz_style ) {
            return el.mozRequestFullScreen();
        } else if ( _wk_style ) {
            return el.webkitRequestFullScreen();
        }
    };

    _cancelFullScreen = function(el) {
        if ( _standard ) {
            return document.cancelFullScreen();
        } else if ( _mz_style ) {
            return document.mozCancelFullScreen();
        } else if ( _wk_style ) {
            return document.webkitCancelFullScreen();
        }
    };

    _fullScreenData = function() {
        var fs, ele, fse;
        fs =
            (_standard) ? document.fullScreen :
            (_mz_style) ? document.mozFullScreen :
            (_wk_style) ? document.wekitIsFullScreen :
            false;
        ele =
            (_standard) ? document.fullScreenElement :
            (_mz_style) ? document.mozFullScreenElement :
            (_wk_style) ? document.webkitFullScreenElement :
            null;
        fse =
            (_standard) ? document.fullScreenEnabled :
            (_mz_style) ? document.mozFullScreenEnabled :
            (_wk_style) ? document.webkitFullScreenEnabled :
            false;
        return {
            fullScreen: fs,
            fullScreenElement: ele,
            fullScreenEnabled: fse
        };
    };


})(jQuery);