var aNormal, aFocus;
var bLoaded = false;
var currNb = -1;

var bilder = new Array(5);
var iz=0;
bilder[0]=new Image();
bilder[0].src="images/filler_banner1.jpg";
bilder[1]=new Image();
bilder[1].src="images/filler_banner2.jpg";
bilder[2]=new Image();
bilder[2].src="images/filler_banner3.jpg";
bilder[3]=new Image();
bilder[3].src="images/filler_banner4.jpg";
bilder[4]=new Image();
bilder[4].src="images/filler_banner5.jpg";

function preloadImages(currPage)
{
	currNb = currPage;
	if (! document.images)
		return;

	aNormal = new Array(9);
	aFocus = new Array(9);
	for (i = 0; i < 9; i ++)
	{
		aNormal[i] = new Image(44, 45);
		aNormal[i].src = "images/" + i + "2.jpg";
		aFocus[i] = new Image(44, 45);
		aFocus[i].src = "images/" + i + "2f.jpg";
	}
	bLoaded = true;
}

function chgImg(imgNb, on)
{
	if (document.images && bLoaded && (imgNb != currNb))
		document.images["img" + imgNb].src = (on ? aFocus : aNormal)[imgNb].src;
	
	return true;
}

function change() {
  preloadImages(7);	
  document.getElementById("banner").src=bilder[iz%5].src;
  iz++;
  window.setTimeout("change();",4000);
}