// JavaScript Document
var interval = 6000;
var random_display = 0;
var imageNum=0;
var imageDir ;
var imageArray;
var totalImages=10;
function initialize(place,imagedirectory){
	
	random_display = 0;
	imageDir = imagedirectory;
	imageArray=new Array();
	totalImages=10;
	for(var i=0;i<10;i++){
		imageArray[i]=new imageItem(imageDir+i+".jpg");
	}
	
	switchImage(place);
}

function imageItem(image_location) {
	this.image_item = new Image();
	this.image_item.src = image_location;
}

function get_ImageItemLocation(imageObj) {
	return(imageObj.image_item.src)
}

function randNum(x, y) {
	var range = y - x + 1;
	return Math.floor(Math.random() * range) + x;
}

 function getNextImage() {
	if (random_display) {
	imageNum = randNum(0, totalImages-1);
	}
	else {
	imageNum = (imageNum+1) % totalImages;
	}
	
	var new_image_loc = get_ImageItemLocation(imageArray[imageNum]);
	return(new_image_loc);

 }
  function switchImage(place) {
	
	var new_image_loc = getNextImage();
	document.getElementById(place).src=new_image_loc;
	//document[place].src = new_image;
	var recur_call = "switchImage('"+place+"')";
	timerID = setTimeout(recur_call, interval);
  }
  function switchImage1(place) {
  	var new_image = getNextImage();
	document[place].src = new_image;
	var recur_call = "switchImage('"+place+"')";
	timerID = setTimeout(recur_call, interval);
  }