var interval = 8000; // delay between rotating images (in milliseconds)
var image_index = 0;

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 rotateImage(place) 
{
	image_index = (image_index+1) % 30;
	var strSRC = "images/roto/";
	if(image_index < 10)
	{
		strSRC += "0";
	}
	strSRC += image_index; 
	strSRC += ".jpg";
	document[place].src = strSRC;
	var recur_call = "rotateImage('"+place+"')";
	setTimeout(recur_call, interval);
}