as3 Functions en eventlisteners to check network availability for admob and serving ads.
function isConnectionOn() // check if connection is on for wifi, internet or local area network.
function initConnectionOn() // initialize eventlistener listen for network change.
function onNetworkChange(event:Event) // eventlistener function event to check to network change.
USAGE
initConnectionOn();
NetworkInfo.networkInfo.addEventListener(Event.NETWORK_CHANGE, onNetworkChange);