// Header fading images
var headerTimePerPicture = 4.5; // In seconds
var start_frame = 0;

function initHeaderFader() {
	
	if (!$('headerFade'))
		return;
	
	var lis = $('headerFade').getElementsByTagName('li');
	
	for( i=0; i < lis.length; i++){
		if(i!=0){
			lis[i].style.display = 'none';
		}
	}
	end_frame = lis.length -1;
	
	startHeaderFade(start_frame, end_frame, (headerTimePerPicture * 1000), lis);
	
}

function startHeaderFade(start_frame, end_frame, delay, lis) {
	setTimeout(headerFade(start_frame,start_frame,end_frame, delay, lis), delay);
}


function headerFade(frame, start_frame, end_frame, delay, lis) {
	return (function() {
		lis = $('headerFade').getElementsByTagName('li');
		Effect.Fade(lis[frame]);
		if (frame == end_frame) { frame = start_frame; } else { frame++; }
		lisAppear = lis[frame];
		setTimeout("Effect.Appear(lisAppear);", 0);
		setTimeout(headerFade(frame, start_frame, end_frame, delay), delay + 1850);
	})
	
}


Event.observe(window, 'load', initHeaderFader, false);