if(document.images) {
	questionup = new Image(9,9);
	questionup.src = "img/questionup.gif";
	questiondn = new Image(9,9);
	questiondn.src = "img/questiondn.gif";
	closeup = new Image(9,9);
	closeup.src = "img/closeup.gif";
	closedn = new Image(9,9);
	closedn.src = "img/closedn.gif";
}

function buttonDown(name,img) {
	var button;
	if((button = getObject(name)))
		button.src = window[img+"dn"].src;
}

function buttonUp(name,img) {
	var button;
	if((button = getObject(name)))
		button.src = window[img+"up"].src;
}

function toggleVis(id) {
	var object;
	if((object = getObject(id)))
		object.style.display = object.style.display ? "" : "block";
}

function exclusiveNote(keep,total) {
	var object;
	for(i=1; i<=total; i++) {
		if(i!=keep && (object = getObject("note"+i)))
			object.style.display = "";
	}
}