gistfile1.js

window.addEventListener("message", receiveMessage, false);

function receiveMessage(event){
    
	// make sure the message is sent from your minipush server
	if(event.origin !== "http://127.0.0.1:8000"){ return; }
    
	// when connection is established / disconnected
	// you will be notified with the following messages
	if(event.data = "connected"){ return; }
	if(event.data = "disconnected"){ return; }
	
	// event.data is the actual message
	// modify next line to do whatever you want with it
	alert(event.data);

}