var interval = 5000;
var cnt = 0;
var img_names = new Array ( "pic_seq/IHN-1a.jpg", "pic_seq/IHN-20.jpg", "pic_seq/IHN-2a.jpg", "pic_seq/IHN-3a.jpg",
			    "pic_seq/IHN-4a.jpg", "pic_seq/IHN-21.jpg", "pic_seq/IHN-5a.jpg", "pic_seq/IHN-22.jpg", "pic_seq/IHN-6a.jpg",
			    "pic_seq/IHN-7a.png", "pic_seq/IHN-23.jpg", "pic_seq/IHN-8a.jpg", "pic_seq/IHN-24.jpg", "pic_seq/IHN-9a.jpg",
			    "pic_seq/IHN-10a.jpg", "pic_seq/IHN-11a.jpg", "pic_seq/IHN-12a.jpg",
			    "pic_seq/IHN-13a.jpg", "pic_seq/IHN-14a.jpg",
			    "pic_seq/IHN-15a.jpg", "pic_seq/IHN-16a.jpg",
			    "pic_seq/IHN-17a.png", "pic_seq/IHN-18a.jpg" );
var preload = new Array();

// This for loop will preload all the images.
for ( var i = 0; i < img_names.length; i++ ) {

  preload[i] = new Image();
  preload[i].src = img_names[i];
}

function cycle() {

  document.images.banana.src = img_names[cnt];
  ( cnt == ( img_names.length - 1 ) ) ? cnt = 0 : cnt++;
  setTimeout( "cycle()", interval );
}

// Call with the onload event handler
window.onload = cycle;