/**************************/
/* DIAPORAMA     PICTURES */
/**************************/
var delay = 4000;
var start_frame = 0;
var timer;
var lis = $('ViewerData').getElementsByTagName('li');
var end_frame = lis.length -1;

function init() {
	position_slideshow( 0 );
}

function position_slideshow( StartframeIndex )
	{
	for( i=0; i < lis.length; i++)
		if(i ==StartframeIndex )
			lis[i].style.display = 'block';
		else
			lis[i].style.display = 'none';

	fadeInOut(StartframeIndex,start_frame,end_frame, delay, lis)
	}



function position_slideshow_Nav(currentIndex, previousIndex )
	{
	$$("li.item"+ previousIndex).each(function(n) {	n.removeClassName('selected'); });
	
	lis = $('ViewerData').getElementsByTagName('li');
	Effect.Fade(lis[previousIndex]);

	lisAppear = lis[currentIndex];
	setTimeout("Effect.Appear(lisAppear);", 0);

	
	$$("li.item"+ currentIndex).each(function(n) {	n.addClassName('selected'); });

	}			    	



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