function changeImages() {
		d = document;
		if (d.images) {
			var img;
			for (var i=0; i<changeImages.arguments.length; i+=2) {
				img = null;
				if (d.layers) {img = findElement(changeImages.arguments[i],0);}
				else {img = d.images[changeImages.arguments[i]];}
				if (img) {img.src = changeImages.arguments[i+1];}
			}
		}
	}

if (document.images) {
	imagea = new Image();
	imagea.src = "images/index_05-on.gif";
	imageb = new Image();
	imageb.src = "images/index_06-on.gif";
	imagec = new Image();
	imagec.src = "images/index_07-on.gif";
	imaged = new Image();
	imaged.src = "images/index_08-on.gif";
	imagee = new Image();
	imagee.src = "images/index_09-on.gif";
	}