here is the code...
import greenfoot.*;
public class Textboxes extends Actor
{
int c;//counter
public void act()
{
ranOrder();
}
public Textboxes()
{
getImage().scale(15,10);
}
public void ranOrder()
{
if (c%300 == 0)
{
int ord = Greenfoot.getRandomNumber(2);
GreenfootImage textArrays = {new GreenfootImage("RekaText1.png"),new GreenfootImage("RekaText2.png"),new GreenfootImage("RekaText3.png")};
setImage(textArrays);
}
c++; //counter increments (60 times per second, meaning 300 times = 5 sec)
}
}