var effect = 1;
var time = 6000;

var current_image = 0;
var next_image = 1;
var image = new Array();

function initDiapo() {
	if(document.getElementsByClassName("diapo")) {
		image = document.getElementsByClassName("diapo");
		for(i=1; i < image.length; i++) {
			image[i].style.display = "none";
		}
	}
	if(image.length > 1) galerie();
}

function galerie() {
	self.setTimeout("nextimage()",time);	
}

function nextimage() {
	switch (effect){
		case 1:
			//var ef = new Array();
			(new Effect.Fade(image[current_image],{duration:1}));		
			(new Effect.Appear(image[next_image],{duration:3, from:0.0, to:1.0}));
			//new Effect.Parallel(ef);
		break;
		case 2:
			new Effect.BlindUp(image[current_image]); new Effect.BlindDown(image[next_image]);
		break;
	}
	
	if(next_image == (image.length-1)) {
		current_image = next_image;
		next_image = 0;
	} else {
		current_image = next_image;
		next_image++;
	}
	galerie();
}

function change_effect(num) {
	effect = num;
}