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

function chimg(bildname,bildObj) {
	window.document.images[bildname].src = bildObj.src;
}

printer = newimg('fileadmin/template/pics/icon-print.gif');
printer_hi = newimg('fileadmin/template/pics/icon-print_hi.gif');