function start_slideshow(start_frame, end_frame, delay) {
        setTimeout(switch_slides(start_frame,start_frame,end_frame, delay), delay);
}
                                                
function switch_slides(frame, start_frame, end_frame, delay) {
        return (function() {
                Effect.Fade('headerimg' + frame);
                if (frame == end_frame) { frame = start_frame; } else { frame = frame + 1; }
				Effect.Appear('headerimg'+ frame, { duration: 1.5 } );
                //setTimeout("Effect.Appear('headerimg" + frame + "');", 850);
                setTimeout(switch_slides(frame, start_frame, end_frame, delay), delay + 850);
        })
}

function headerRotate()
{
	Event.observe(window, 'resize', headerRotateOnResize);
	$('headerimg').show();
	$('headerimg1').absolutize()
	$$('.slide').each(function(e)
	{
		e.absolutize();
		e.clonePosition('headerimg1');
	})
	start_slideshow(1, 6, 5000);
	headerRotateOnResize();
}

function headerRotateOnResize()
{		
	$$('.slide').each(function(e)
	{		
		e.clonePosition('headerimg');
	})	
}