// to put on server side
var NbImages = 6; // nb+1 pour le modulo
var NextImageIndex = 3;
var CurrentImageSrc = 'url(../img/emines_2.png)';

function getNextImageName(){

	var ImageName = 'emines_' + (NextImageIndex+1) + '.png';
	NextImageIndex = ( NextImageIndex+1 ) % NbImages;
	return ImageName;
}
//to put on server side

function applyEffect(){

	new Effect.Opacity('IndexEmoshFoto', { duration: 3, from: 1, to: 0.05, 
		afterFinish: function(effect){ 

		$('IndexEmoshFoto').style.backgroundImage = CurrentImageSrc;
			new Effect.Opacity('IndexEmoshFoto', { duration: 3, from: 0.02, to: 1,
				afterFinish: function(effect){
		
					var ImgSrc = getNextImageName();
					CurrentImageSrc = 'url(../img/'+ImgSrc+')';
					$('IndexNextEmoshFoto').style.backgroundImage = CurrentImageSrc;
					setTimeout("applyEffect()",3000);
				}
			});
		}
	 });
	
}//applyEffect

function bindEffect() {
	setTimeout("applyEffect()",3000);
}//bindEffect

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