function stopOrStart() {
 if (onoff) {
	stop();
 } else {
	play();
 }
}

function toggleLoop() {
 if (loop) {
	loop = 0;
 } else {
	loop = 1;
 }
}
function changeElementText(id, newText) {
 element = document.getElementById(id);
 element.innerHTML = newText;
}
function stop() {
 changeElementText("stopOrStartText", "play");
 onoff = 0;
 status = "The slide show is stopped, Click [play] to resume.";
 clearTimeout(timer);

}
function play() {
 //changeElementText("stopOrStartText", "stop");

 onoff = 1;
 status = "Slide show is running...";
 go_to_next_photo();
}

function preload_complete() {

}
function reset_timer() {
 clearTimeout(timer);
 if (onoff) {
	timeout_value =2500;
	timer = setTimeout('go_to_next_photo()', timeout_value);
 }
}
function wait_for_current_photo() {

 /* Show the current photo */
 if (!show_current_photo()) {

	/*
	 * The current photo isn't loaded yet. Set a short timer just to wait
	 * until the current photo is loaded.
	 */
	status = "Picture is loading...(" + current_location + " of" + photo_count + 
		"). " + "Please Wait..." ;
	clearTimeout(timer);
	timer = setTimeout('wait_for_current_photo()', 500);
	return 0;
 } else {
	status="";
 	//status = "Slide show is running..." ;
	preload_next_photo();
	reset_timer();
 }
}
function go_to_next_photo() {
 /* Go to the next location */
 current_location = next_location;

 /* Show the current photo */
 if (!show_current_photo()) {
	wait_for_current_photo();
	return 0;
 }
 preload_next_photo();
 reset_timer();
}
function preload_next_photo() {
 
 /* Calculate the new next location */
 next_location = (parseInt(current_location) + parseInt(direction));
 if (next_location > photo_count) {
	next_location = 1;
	if (!loop) {
	 stop();
	}
 }
 if (next_location == 0) {
 next_location = photo_count;
	if (!loop) {
	 stop();
	}
 }
 
 /* Preload the next photo */
 preload_photo(next_location);
}

function show_current_photo() {
 /*
 * If the current photo is not completely loaded don't display it.
 */
 if (!images[current_location] || !images[current_location].complete) {
	preload_photo(current_location);
	return 0;
 }

	img_link = document.getElementById("image_link");
 /* transistion effects */
 if (browserCanBlend){
	var do_transition;
	if (current_transition == (transition_count)) {
	 do_transition = Math.floor(Math.random() * transition_count);
	} else {
	 do_transition = current_transition;
	}
	document.images.slide.style.filter=transitions[do_transition];
	document.images.slide.filters[0].Apply();
 }
 document.slide.src = images[current_location].src;
 if (browserCanBlend) {
	document.images.slide.filters[0].Play();
 }

 return 1;
}

function preload_photo(index) 
{
 /* Load the next picture */
 if (pics_loaded < photo_count) {

	/* not all the pics are loaded. Is the next one loaded? */
	if (!images[index]) {
	 images[index] = new Image;
	 images[index].onLoad = preload_complete();
	 images[index].src = photo_urls[index];
	 pics_loaded++;
	}
 } 

}
function setCaption(text)
{
}
var agt=navigator.userAgent.toLowerCase();
var is_major = parseInt(navigator.appVersion);
var is_minor = parseFloat(navigator.appVersion);
var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
var is_ie3 = (is_ie && (is_major < 4));
var is_ie4 = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
var is_ie4up = (is_ie && (is_major >= 4));
var is_ie5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
var is_ie5_5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
var is_ie5up = (is_ie && !is_ie3 && !is_ie4);
var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
var is_ie6 = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
var is_ie6up = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);
var timer; var current_location = 1;var next_location = 1; var pics_loaded = 0;var onoff = 0;var direction = 1;var timeout_value;var images = new Array;var photo_urls = new Array;var photo_link = new Array;var transitionNames = new Array;var transitions = new Array;var current_transition = 16;var loop = 1;

photo_urls[1] = "images/a.jpg";
photo_urls[2] = "images/b.jpg";
photo_urls[3] = "images/c.jpg";
photo_urls[4] = "images/d.jpg";





photo_link[1] = "1585005";
photo_link[2] = "1583584";
photo_link[3] = "1583003";
photo_link[4] = "1583002";




transitions[0] = "progid:DXImageTransform.Microsoft.Fade(duration=1)";
transitions[1] = "progid:DXImageTransform.Microsoft.Blinds(Duration=1,bands=20)";
transitions[2] = "progid:DXImageTransform.Microsoft.Checkerboard(Duration=1,squaresX=20,squaresY=20)";
transitions[3] = "progid:DXImageTransform.Microsoft.Strips(Duration=1,motion=rightdown)";
transitions[4] = "progid:DXImageTransform.Microsoft.Barn(Duration=1,orientation=vertical)";
transitions[5] = "progid:DXImageTransform.Microsoft.GradientWipe(duration=1)";
transitions[6] = "progid:DXImageTransform.Microsoft.Iris(Duration=1,motion=out)";
transitions[7] = "progid:DXImageTransform.Microsoft.Wheel(Duration=1,spokes=12)";
transitions[8] = "progid:DXImageTransform.Microsoft.Pixelate(maxSquare=10,duration=1)";
transitions[9] = "progid:DXImageTransform.Microsoft.RadialWipe(Duration=1,wipeStyle=clock)";
transitions[10] = "progid:DXImageTransform.Microsoft.RandomBars(Duration=1,orientation=vertical)";
transitions[11] = "progid:DXImageTransform.Microsoft.Slide(Duration=1,slideStyle=push)";
transitions[12] = "progid:DXImageTransform.Microsoft.RandomDissolve(Duration=1,orientation=vertical)";
transitions[13] = "progid:DXImageTransform.Microsoft.Spiral(Duration=1,gridSizeX=40,gridSizeY=40)";
transitions[14] = "progid:DXImageTransform.Microsoft.Stretch(Duration=1,zoomStyle=push)";
transitions[15] = "progid:DXImageTransform.Microsoft.Stretch(Duration=1,stretchStyle=push)";
transitions[16] = "special case";
var transition_count = 16;
var photo_count = 4; 
firstPhotoURL = photo_urls[1];
document.write("<img border=0 align=center src='"+firstPhotoURL+"' name=slide style='border-style: solid; border-color: #000000' width=257 height=262>");
var browserCanBlend = (is_ie5_5up);
preload_photo(1);
play();