var ICH_timer         = null;
var ICH_period        = 3000;
var ICH_last_id       = 1;
var ICH_target_image  = null;
var ICH_target_link   = null;

var ICH_images_count = 0;


function ICH_set_task()
{
	clearTimeout(ICH_timer);
	ICH_timer = setTimeout('ICH_set_image()', ICH_period);
}

function ICH_set_image()
{
	if(ICH_target_image == null)
	{
		ICH_target_image = document.getElementById('ICH_image_scroll');
	}
	if(ICH_target_link == null)
	{
		ICH_target_link = document.getElementById('ICH_image_scroll_a');
	}
	if(ICH_images_count == 0)
	{
		ICH_images_count = ICH_images.length;
	}
	if(ICH_last_id == ICH_images_count )
	{
		ICH_last_id = 0;
	}
	
	ICH_target_image.src = ICH_images[ICH_last_id].thumbnail;
	ICH_target_link.setAttribute('imageid', ICH_images[ICH_last_id].id);
	ICH_target_link.setAttribute('href', ICH_images[ICH_last_id].source);
	ICH_last_id++;
	
	ICH_set_task();
}

//window.addEvent('domready', ICH_set_task);