if(document.images) {
	var ph = new Image();
	ph.src = "images/ph.gif";
	var pl = new Image();
	pl.src = "images/pl.gif";
}
function startani(ort) {
		document.images[ort].src = pl.src;
}
function stopani(ort) {
		document.images[ort].src = ph.src;
}