Once
the array is declared and setup, get the images and assign them to the .src field
of the array:
•for (i=0; i<4; i++) {
•
pref [i].src = "new" + i + ".gif";
•}
•Notice that the names of the images, new0.gif, new1.gif,
new2.gif, new3.gif are “constructed” using the index
variable