Internet Connection: Flash 8 Only.

var connected:Boolean = false;
function checkConnection():Void {
var myLoadVars:LoadVars = new LoadVars();
myLoadVars.onHTTPStatus = function(httpStatus:Number) {
if (httpStatus != 0) {
connected = true;
} else {
connected = false;
}
delete this;
};
myLoadVars.load("http://www.apple.com");
}
checkConnection();