function imageStatus(divname,imgname) {
	if(!divname) {
	  if(!document.images) { return true; }
	  if(document.images[imgname].complete) return true;
	}
	if(document.all) {
	  if(!document.images) { return true; }
	  if(document.images[imgname].complete) return true;
	} else {
	  if(!document.layers[divname]) { return true; }
	  if(!document.layers[divname].document.images) { return true; }
	  if(document.layers[divname].document.images[imgname].complete) return true;
	}
	return false;
}

function imageVar(divname,imgname) {
	if(!divname) {
	  if(!document.images) { return false; }
	  return (document.images[imgname]);
	}
	if(document.all) {
	  if(!document.images) { return false; }
	  return (document.images[imgname]);
	} else {
	  if(!document.layers[divname]) { return false; }
	  if(!document.layers[divname].images) { return false; }
	  return (document.layers[divname].images[imgname]);
	}
	return false;
}

function ChgImage(divName,imgName,hiDatei) {
		var img=imageVar(divName,imgName);
        if (img) {
                img.src=hiDatei;
        }
}

function PreLoadImg(arrayImg) {
	var i;
	var ilen=arrayImg.length; 
	var txt;
	for(i=0;i<ilen;i++) {
		txt=arrayImg[i];
		arrayImg[i]=new Image;
		arrayImg[i].src=txt;
	}
}