captionArray = new Array();
for (i=0; i < 15; i++) {
	captionArray[i] = "caption" + i;
	}
	
// functions for hiding and showing captions //

function hideCaption(objID) {
	if (isAll || isID) {
	theStyle = findDOM(objID,1);
	theStyle.display='none';
	}	
	return;
}

function showCaption(objID) {
	if (isAll || isID) {
	theStyle = findDOM(objID,1);
	theStyle.display='inline';
	}
	return;
}



//functions for sessions

sessionsArray = new Array();
for (i=0; i < 15; i++) {
	sessionsArray[i] = new Image();
	}
sessionsArray[0].src = "lake_sessions/015.jpg";
sessionsArray[1].src = "lake_sessions/001.jpg";
sessionsArray[2].src = "lake_sessions/002.jpg";
sessionsArray[3].src = "lake_sessions/003.jpg";
sessionsArray[4].src = "lake_sessions/004.jpg";
sessionsArray[5].src = "lake_sessions/005.jpg";
sessionsArray[6].src = "lake_sessions/006.jpg";
sessionsArray[7].src = "lake_sessions/007.jpg";
sessionsArray[8].src = "lake_sessions/008.jpg";
sessionsArray[9].src = "lake_sessions/009.jpg";
sessionsArray[10].src = "lake_sessions/010.jpg";
sessionsArray[11].src = "lake_sessions/011.jpg";
sessionsArray[12].src = "lake_sessions/012.jpg";
sessionsArray[13].src = "lake_sessions/013.jpg";
sessionsArray[14].src = "lake_sessions/014.jpg";

var sessionsCounter = 0;

function nextSessions() {
		hideCaption(captionArray[sessionsCounter]);
		if (sessionsCounter < 14) { sessionsCounter++; }
		else { sessionsCounter = 0; }
	document.painting.src = sessionsArray[sessionsCounter].src;
	showCaption(captionArray[sessionsCounter]);
}

function lastSessions() {
	hideCaption(captionArray[sessionsCounter]);
		if (sessionsCounter > 0) { sessionsCounter--; }
		else { sessionsCounter = 14; }
	document.painting.src = sessionsArray[sessionsCounter].src;
	showCaption(captionArray[sessionsCounter]);
}

function playSessions() {
	going = setInterval("nextSessions()",1000);
	}
	
function stopSessions() {
	clearTimeout(going);
	}