var interval = 3000;
var random_display = 0;
var image_dir = "images/";
var ImageNum = 0;

	var imageArray = new Array ();
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house1.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house2.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house3.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house4.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house5.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house6.jpg');	
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house7.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house8.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house9.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house10.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house11.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house12.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house13.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house14.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house15.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house16.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house17.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house18.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house19.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house20.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house21.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house22.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house23.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house24.jpg');
	imageArray[ImageNum++] = new imageItem(image_dir + 'solar-screens-house25.jpg');
	
var number_of_image = imageArray.length;
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, number_of_image-1);
}
else {
ImageNum = (ImageNum+1) % number_of_image;
}
var new_image = get_ImageItemLocation(imageArray[ImageNum]);
return(new_image);
}

function getPrevImage() {
ImageNum = (ImageNum-1) % number_of_image;
if (ImageNum == '-1'){ImageNum = imageArray.length - 1;}
//alert(ImageNum);
var new_image = get_ImageItemLocation(imageArray[ImageNum]);
return(new_image);
}

function prevImage(place) {
var new_image = getPrevImage();
document[place].src = new_image;
}

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