function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function setBgColor (itemid,bgimg) {
  if (document.all)
    document.all[itemid].style.backgroundImage = bgimg;
  else if (document.getElementById)
    document.getElementById(itemid).style.backgroundImage = bgimg;
  else if (document.layers)
    document[itemid].style.backgroundImage = bgimg;
}