 const unsigned long postingInterval = 10*1000; // wait 10 seconds
 boolean canConnect = false;
 
+const int redLed = 3;
+const int greenLed = 5;
+const int yellowLed = 6;
+
+
 void setup() {
   //Initialize serial and wait for port to open:
   Serial.begin(9600);
-  flash_led(13, 5, 100);
+  flash_3leds(redLed, greenLed, yellowLed, 5, 100);
   while (!Serial) { ; } // wait for serial port to connect.
-  flash_led(13, 5, 400);
+  flash_3leds(redLed, greenLed, yellowLed, 5, 400);
 
   // check for the presence of the shield:
   if (WiFi.status() == WL_NO_SHIELD) {

}

void loop() {
  flash_led(13, 5, 200);

  // if there are incoming bytes available
  // from the server, read them and print them:

}


void flash_3leds(int pin1, int pin2, int pin3, int number, int time)
{
  int i, j;
  int pins[] = {pin1, pin2, pin3};

  for(j=0; j<3; j++)
    pinMode(pins[j], OUTPUT);

  for(i=0; i<number; i++) {
    for(j=0; j<3; j++)
      digitalWrite(pins[j], HIGH);
    delay(time);
    for(j=0; j<3; j++)
      digitalWrite(pins[j], LOW);
    delay(time);
  }
}
