if(document.images){  

	nullo = new Image(39,60); nullo.src = "gifs/0.gif";
	eins = new Image(39,60); eins.src = "gifs/1.gif";
	zwei = new Image(39,60); zwei.src = "gifs/2.gif";
	drei = new Image(39,60); drei.src = "gifs/3.gif";
	vier = new Image(39,60); vier.src = "gifs/4.gif";
	funf = new Image(39,60); funf.src = "gifs/5.gif";
  sech = new Image(39,60); sech.src = "gifs/6.gif";

	}
function flash(imageName,imageFile) {
	if(!document.images) return;
	eval('document.images[imageName].src = '+imageFile+'.src');
}