var page = require('webpage').create();
page.onResourceRequested = function(request) {
//  console.log('Request ' + JSON.stringify(request, undefined, 4));
};
page.onResourceReceived = function(response) {
//  console.log('Receive ' + JSON.stringify(response, undefined, 4));
};
page.onError = function(message, trace) {
        console.log( 'Error: ' + message );
};
page.onConsoleMessage = function(msg) {
        console.log(msg);
};
page.open('https://en.wikipedia.org/wiki/Fla-Vor-Ice', function(status) {
        console.log( 'Looking for ChoiceData' );
        var choiceData = page.evaluate( function() {
                //return 'title: ' + document.title;
                if ( !window.mediaWiki ) {
                        return 'Mediawiki not defined';
                }
                if ( !window.mediaWiki.centralNotice ) {
                        return 'mw.cn not defined';
                }
                if ( window.mediaWiki.centralNotice.choiceData ) {
                        return  'ChoiceData: ' + JSON.stringify( window.mediaWiki.centralNotice.choiceData );
                } else {
                        return 'ChoiceData not defined' ;
                }
        } );
        console.log( choiceData );
} );