var interval = 3.5; 	// delay between rotating images (in seconds)
var random_display = 1; // 0 = no, 1 = yes

interval *= 1000;

var image_index = 0;

image_list = new Array();

//image_list[image_index++] = new imageItem("images/ads/cpechurch.gif");
//image_list[image_index++] = new imageItem("images/ads/spechurch.gif");
//image_list[image_index++] = new imageItem("images/ads/cdvechurch.gif");
image_list[image_index++] = new imageItem("http://www.echurch.com/images/ads/splusechurch.gif");
image_list[image_index++] = new imageItem("http://www.echurch.com/images/ads/ptechurch.gif");
image_list[image_index++] = new imageItem("http://www.echurch.com/images/ads/bsechurch.gif");
image_list[image_index++] = new imageItem("http://www.echurch.com/images/ads/dlechurch.gif");
image_list[image_index++] = new imageItem("http://www.echurch.com/images/ads/cmechurch.gif");
image_list[image_index++] = new imageItem("http://www.echurch.com/images/ads/fbechurch.gif");
image_list[image_index++] = new imageItem("http://www.echurch.com/images/ads/mediashout.gif");
image_list[image_index++] = new imageItem("http://www.echurch.com/images/ads/pmm-logosm2.jpg");
image_list[image_index++] = new imageItem("http://www.echurch.com/images/ads/gsechurch.gif");
//image_list[image_index++] = new imageItem("images/ads/Corel.jpg");
//image_list[image_index++] = new imageItem("images/ads/Endicia-Logo-main.gif");

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

function getNextImage() 
{
	if (random_display) 
	{
		image_index = generate(0, number_of_image-1);
	} else {
		image_index = (image_index+1) % number_of_image;
	}
	var new_image = get_ImageItemLocation(image_list[image_index]);
	return(new_image);
}

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