var wait = 0;
var iTotalPanels = 2;
var duration = 1;
var slides = new Array();
var from = 1;
var to = 0;
var s = 0;

wait = 5000;	
iTotalPanels = 2;
duration = 4;

for(i=0;i<iTotalPanels;i++){
			slides[i] = "banner_" + (i + 1) + "";
			}	
			
//onLoad functions
Event.observe(window,'load',function(e){
	start_slideshow();
});

function start_slideshow() {
setInterval('slideshow()', wait);  // This is a javascript function which acts as a timer.
}

function slideshow() {
Effect.Fade(slides[s], { duration:duration, from:from, to:to });
s++;
if (s == slides.length) s = 0;
Effect.Appear(slides[s], { duration:duration, from:to, to:from });
}