old_contents: function IO(){
  	var secure = window.location.protocol.match(/https/);
  	var socket = this.socket = new io.Socket(window.location.hostname, {
  			secure: secure,
  			port: secure ? '' : window.location.port
  			,reconnectionDelay: 2000 + Math.random() * 2000
  		});
  
  	var messageHandlers = [];
  
  	this.processMessage = function(data){
  		var stop;
  		messageHandlers.forEach(function(handler){
  			if(!stop) stop = handler.newMessage(data);
  		});
  	}
  	
  	this.addMessageHandler = function(handler){
  		messageHandlers.push(handler);
  	}
  	
  	this.connect = function(){
  		socket.connect();
  		socket.send({channel: channel, action: 'join', connector_id: connector_id});
  	}
  	
  	socket.on('message', this.processMessage);
  }
  
new_contents: function IO(){
  	var secure = window.location.protocol.match(/https/);
  	var socket = this.socket = new io.Socket(window.location.hostname, {
  			secure: secure,
  			reconnectionDelay: 2000 + Math.random() * 2000
  		});
  
  	var messageHandlers = [];
  
  	this.processMessage = function(data){
  		var stop;
  		messageHandlers.forEach(function(handler){
  			if(!stop) stop = handler.newMessage(data);
  		});
  	}
  	
  	this.addMessageHandler = function(handler){
  		messageHandlers.push(handler);
  	}
  	
  	this.connect = function(){
  		socket.connect();
  		socket.send({channel: channel, action: 'join', connector_id: connector_id});
  	}
  	
  	socket.on('message', this.processMessage);
  }
  
subject: Remove "port" setting for Socket.IO config It was messing up the websocket url in Firefox