document.write("<style type='text/css'>#img1,#img2,#img3,#img4{visibility:hidden;}</style>");

var iNum = 1;

function initImage(){
	imageId = 'img' + iNum;
	image = document.getElementById(imageId);
	setOpacity(image, 0);
	image.style.visibility = "visible";
	fadeIn(imageId,0);
}

function fadeIn(objId,opacity) {
	if (document.getElementById) {
		obj = document.getElementById(objId);
		if (opacity <= 100) {
			setOpacity(obj, opacity);
			opacity += 10;
			window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 50);
		}else{
			if(iNum<4){
				iNum++;
				initImage();
			}
		}
	}
}

function setOpacity(obj, opacity) {
	opacity = (opacity == 100)?99.999:opacity;
	// IE/Win
	obj.style.filter = "alpha(opacity:"+opacity+")";
	// Safari<1.2, Konqueror
	obj.style.KHTMLOpacity = opacity/100;
	// Older Mozilla and Firefox
	obj.style.MozOpacity = opacity/100;
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = opacity/100;
}

function showDivs(){
	document.write("<style type='text/css'>#img1,#img2,#img3,#img4{visibility:visible;}</style>");	
}

function startup(){
	initImage();
}