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var buffer = [], json = JSON.stringify;

io.listen(server, {
	
	onClientConnect: function(client){
		client.send(json({ buffer: buffer }));
		client.broadcast(json({ announcement: client.sessionId + ' connected' }));
	},
	
	onClientDisconnect: function(client){

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.my-dialog {
  -webkit-transform: translateY(-100%);
  -webkit-transition: -webkit-transform 0.5s ease-out;
}

body.overlaid .my-dialog {
  -webkit-transform: translateY(0);
}