///////////////////////////////////////////////////
// javascript for slide-show
// CopyRight by Polly Jennings 1998
///////////////////////////////////////////////////
var timerid = null;
var timeron = false;
var index = 1;
var s = "fullsz/";
var e = ".jpg";
var speed = 5000;  // 5 seconds/////10000;  // 10 seconds

function stopclock() {
	if (timeron) {
		clearTimeout(timerid);
	}
	timeron = false;
}

function tick() {
	next(1);
	timerid = setTimeout("tick()", speed);
	timeron = true;
}

function startclock() {
	stopclock();
	tick();
}

function next(direction) {
	var pixmax = document.slidecontrol.max.value * 1;
	if (direction == 1) 
		index++;
	else 
		index--;

	if (index > pixmax)
		index = 1;
	if (index < 1)
		index = pixmax;
	var oestr = index.toString();
	if (oestr.length < 2)
		oestr = "0" + oestr;

	var is = s + oestr + e;
	document.slidecontrol.imagesrc.value = oestr;
	document.images[0].src = is;
}

function gotonumber(form) {
	var pixmax = document.slidecontrol.max.value * 1;
	index = form.imagesrc.value * 1;
	if (index > pixmax)
		index = 1;
	if (index < 1)
		index = pixmax;

	var oestr = index.toString();
	if (oestr.length < 2)
		oestr = "0" + oestr;
	
	var is = s + oestr + e;
	form.imagesrc.value = oestr;
	document.images[0].src = is;
}

function speedchange(direction) {
	if (direction == 1) 
		speed += 2000;
	else 
		speed -= 2000;

	if (speed > 60000)
		speed = 60000;	
	if (speed < 1000) 
		speed = 1000;
	document.slidecontrol.gotos.value = speed / 1000;
}	

function gotospeed(form) {
	speed = form.gotos.value * 1000;
	if (speed > 60000)
		speed = 60000;	
	if (speed < 1000) 
		speed = 1000;
	form.gotos.value = speed / 1000;
}