var dimages=new Array();
var numImages=5;

dimages[0]=new Image();
dimages[0].src="image/banners/coachtours.jpg";
dimages[1]=new Image();
dimages[1].src="image/banners/mainpic6.jpg";
dimages[2]=new Image();
dimages[2].src="image/banners/mainpic5.jpg";
dimages[3]=new Image();
dimages[3].src="image/banners/railplusfinal.jpg";
dimages[4]=new Image();
dimages[4].src="image/banners/sunloverhols.jpg";

var curImage=-1;

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");

      // make sure target is valid.  It might not be valid
      //   if the page has not finished loading
      if (target)
      {
        target.src=dimages[nextImage].src;
        curImage=nextImage;
      }

      setTimeout("swapPicture()", 5000);

    }
    else
    {
      setTimeout("swapPicture()", 500);
    }
  }
}

setTimeout("swapPicture()", 5000);