var flipper_delay = 4000;

function flipIn()
{
	new Effect.Appear('HeaderImageAfter', { duration: .8 })
	window.setTimeout("flipOut()", flipper_delay)
}

function flipOut()
{
	new Effect.Fade('HeaderImageAfter', { duration: .8 })
	window.setTimeout("flipIn()", flipper_delay)
}

Event.observe(window, 'load', flipOut);