function setOpacity(obj, val)
{
  if (navigator.appName.indexOf("Microsoft") != -1) {
  } else {
    obj.style.MozOpacity = val / 100;
  }
}

var opacity = 100;
var direction = -10;
var wait = 20;
var imagenum = 0;
var images = new Array();
images[0] = "wwwtkde.png";
images[1] = "wwwtek0de.png";
images[2] = "wwwtek1de.png";
images[3] = "wwwtek4de.png";
images[4] = "wwwtek6de.png";

function intervalFunc()
{
  var idx;

  if (wait > 0) {
    wait--;
    return;
  }
  opacity = opacity + direction;
  if (opacity < 0) {
    opacity = 0;
    direction = 10;
    imagenum++;
    if (imagenum > 4) {
      imagenum = 0;
    }
    idx = document.images["domain"].src.lastIndexOf("/");
    if (idx < 0) {
      document.images["domain"].src = images[imagenum];
    } else {
      document.images["domain"].src = 
	document.images["domain"].src.substring(0, idx + 1) + images[imagenum];
    }
  } else if (opacity > 100) {
    opacity = 100;
    direction = -10;
    wait = 20;
  }
  setOpacity(document.images["domain"], opacity);
}

function pageLoaded()
{
  window.setInterval(intervalFunc, 100);
}