var dimages=new Array();
var numImages=4;
var curImage=0;
for (i=0; i<numImages; i++)
{
  dimages[i]=new Image();
}
setTimeout("swapPicture()", 2500);
window.onload=init;
function init()
{
    for (i=0; i<numImages; i++)
    {
    dimages[i].src="/images/image"+(i+1)+".jpg";
    }
}
function swapPicture()  
{
  if (document.images)
  {
    var nextImage=curImage+1;
    if (nextImage>=numImages)
      nextImage=0;
    if (dimages[nextImage] && dimages[nextImage].complete)
    {
      var target=0;
      if (document.images.myImage)
        target=document.images.myImage;
      if (document.all && document.getElementById("myImage"))
        target=document.getElementById("myImage");
      if (target)
      {
        target.src=dimages[nextImage].src;
        curImage=nextImage;
      }
      setTimeout("swapPicture()", 4000);
    }
    else
    {
      setTimeout("swapPicture()", 200);
    }
  } 
}