(function($){
	$.fn.diaporama = function() {
		
		this.each(function(){
		
			var obj = $(this);
			
			if($(obj).find("li").length > 1){
				var inter = setInterval(function(){nextElt()}, 3000);
				var sens = "right";
				var pause = false;
				
				$(obj).find("li").hide();
				$(obj).find("li:first-child").addClass("active").fadeIn(800);
				
				$(obj).siblings().find(".prev").click(function(){
					clearInterval(inter);
					prevElt();
					if(!pause) {
						inter = setInterval(function(){prevElt()}, 3000);
					}
					sens = "left";
				});
				
				$(obj).siblings().find(".next").click(function(){
					clearInterval(inter);
					nextElt();
					if(!pause) {
						inter = setInterval(function(){nextElt()}, 3000);
					}
					sens = "right";
				});

				$(obj).mouseenter(function(){paused()}).mouseleave(function(){resumed()});
				
				function paused() {
					clearInterval(inter);
					pause = true;
				}
				
				function resumed() {
					inter = setInterval(function(){ (sens == "right")?nextElt():prevElt()}, 3000);
					pause = false;
				}

				function nextElt() {
					$(obj).find("li.active").fadeOut(800);
					
					if(!$(obj).find("li.active").is(":last-child")) {
						$(obj).find("li.active").next().addClass("active").prev().removeClass("active");
						$(obj).find("li.active").fadeIn(800);
						
					}
					else {
						$(obj).find("li:first-child").addClass("active").fadeIn(800);
						$(obj).find("li:last-child").removeClass("active");
					}
				}
				
				function prevElt() {
					$(obj).find("li.active").fadeOut(800);
					
					if(!$(obj).find("li.active").is(":first-child")) {
						$(obj).find("li.active").prev().addClass("active").next().removeClass("active");
						$(obj).find("li.active").fadeIn(800);
						
					}
					else {
						$(obj).find("li:last-child").addClass("active").fadeIn(800);
						$(obj).find("li:first-child").removeClass("active");
					}
				}
			}
		});
		
		return this;
	};
})(jQuery);