function Flip1 (key) {
	var len = document.images["caption."+key].src.length - 6;
	if (document.images["caption."+key].src.substring(len)=="on.gif") {
		changeImageSource("caption."+key,"on.gif","off.gif");
		document.getElementById("set."+key).style.display = "none";
	}
	else {
		changeImageSource("caption."+key,"off.gif","on.gif");
		document.getElementById("set."+key).style.display = "";
	}
}

function Flip2 (key,max) {
	var len = document.images["caption."+key].src.length - 6;
	var i;
	if (document.images["caption."+key].src.substring(len)=="on.gif") {
		changeImageSource("caption."+key,"on.gif","off.gif");
		for (i=0;i<max;i++) document.getElementById("set."+key+"."+i).style.display = "none";
	}
	else {
		changeImageSource("caption."+key,"off.gif","on.gif");
		for (i=0;i<max;i++) document.getElementById("set."+key+"."+i).style.display = "";
	}
}