function start_slideshow(delay) {
        setTimeout(switch_slides(0, delay), delay);
    }
                            
    function switch_slides(frame, delay) {
        return (function() {
            numslides = $$('.slide').length;  
            Effect.Fade(slides[frame].id);
            if (frame == numslides-1) { frame = 0; } else { frame = frame + 1; }
            setTimeout("Effect.Appear('" + slides[frame].id + "');", 200);
            setTimeout(switch_slides(frame, delay), delay + 200);
        })
    }
    
    function pageload() {
    	slides = $$('.slide');
        start_slideshow(4000);
        
    }


// Add the onload javascript
if (window.addEventListener) {
	window.addEventListener("load", pageload, false) //invoke function
}
if (window.attachEvent) {
	window.attachEvent("onload", pageload)
}