Emulate socket.io behavior in Firefox

recipient.js

// the recipient of the socket.io transaction would look like this:

var fb = new Firebase('https://YOURINSTANCE.firebaseio.com');

fb.on('value', function(ss) {

     // here is the data transferred from the sender!
    var data = ss.val();

    // if you want the data removed after it is received, then uncomment this
    // ss.ref().remove();

});

sender.js

// the sender would look like this

var fb = new Firebase('https://YOURINSTANCE.firebaseio.com');

function pushToRecipients(newData) {
    fb.set( newData );
}