var slideinterval = 7000;  // milliseconds

function imageArray() {
 for (i=0; i<imageArray.arguments.length; i++) {
  this[i] = new Object();
  this[i].src = imageArray.arguments[i];
 }
 this.length = i;
}

function getRandomImageNum() {
 aDate = new Date();
 aDate = (aDate.getTime()+"").charAt(8);
 if (aDate.length == 1)
  image_num = aDate % images.length;
 else
  image_num = 0;
 return image_num;
}
 
function rotateImage() {
 if (document.images) {
  image_num = (image_num+1)%images.length;
  document.js_image.src = images[image_num].src;
  setTimeout("rotateImage()",slideinterval);
 }
}

var images = new imageArray(
"images/PalmNoise.gif",
"images/CloverPattern.gif",
"images/FirTree.gif",
"images/PurpleSpiral.gif",
"images/TwoWildflowers.gif",
"images/WaterLilly2.gif",
"images/WaterLillies.gif",
"images/Smoke.gif",
"images/SpiralWeave2.gif",
"images/PalmsMolten.gif",
"images/FlowerCircle.gif",
"images/SpiralWeave.gif",
"images/WinterTrees.gif"
);

var image_num = 0; // getRandomImageNum();

document.write(' '
+'<IMG SRC="'+images[image_num].src+'" width="320" height="240" '
+' name=js_image>');

setTimeout("rotateImage()",slideinterval);