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

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

function popUp(URL, WIDTH, HEIGHT, SCROLL) {
	subWin = window.open(URL, 'Info', 'toolbar=0,scrollbars=' + SCROLL + ',location=0,statusbar=0,menubar=0,resizable=0,width=' + WIDTH + ',height=' + HEIGHT);
subWin.focus();
}