/**
 * News functions
 * Author: Nicolas Stevenart
 * (c) 2006 z6creation.net
 */
 
function photo_roll(num, oldPhotoNo) {

	var photoNo = 0;
	var photoId = 'page_photo_'+photoNo;
	
	if (num>1) {
	
		if (oldPhotoNo<0) photoNo = Math.floor(Math.random()*num);
		else photoNo = ((oldPhotoNo+1)%num);
		
		photoId = 'page_photo_'+photoNo;
		var oldPhotoId = 'page_photo_'+oldPhotoNo;
		
		if (oldPhotoNo>=0) Effect.Fade(oldPhotoId, { duration: 0.3 });
	
	}
	
	setTimeout("photo_appear("+num+", "+photoNo+")", 300);
}

function photo_appear(num, photoNo) {

	var photoId = 'page_photo_'+photoNo;
	Effect.Appear(photoId, { duration: 0.3 });

	if (num>1) setTimeout("photo_roll("+num+", "+photoNo+")", 3000);
}