var carrousel = {
		
	nbSlide : 0,
	nbCurrent : 1,
	elemCurrent : null,
	elem : null,
	
	timer : null,

	init:function(elem){
	
		this.nbSlide = elem.find(".slide").length;
		
		// Create pagination
		elem.append('<div class="navigation"></div>');
		for(var i=1; i <= this.nbSlide; i++){
			elem.find(".navigation").append("<span>"+i+"</span>");
		}
		
		
		elem.find(".navigation span").click(function(){carrousel.gotoSlide($(this).text());})
		
		// Initialization of carrousel
		this.elem = elem;
		elem.find(".slide").hide();
		elem.find(".slide:first").show();
		this.elemCurrent = elem.find(".slide:first");
		this.elem.find(".navigation span:first").addClass("active");
		
		
		carrousel.play();
		// Mouse over
		elem.mouseover(carrousel.stop);
		elem.mouseout(carrousel.play);
		
	},

	gotoSlide : function(num)
	{
		if(num == this.nbCurrent){ return false; }
		
		/* Fade in out
		this.elemCurrent.fadeOut();
		this.elem.find("#slide"+num).fadeIn();
		*/
		
		// Slide animation 
		var sens = 1
		if(num < this.nbCurrent){sens = -1;}
			
		var cssDeb = {"left": sens*this.elem.width()};
		var cssFin = {"left": -sens*this.elem.width()};
		this.elem.find("#slide"+num).show().css(cssDeb);
		
		this.elem.find("#slide"+num).animate({"top":0, "left":0}, 1000);
		this.elemCurrent.animate(cssFin, 1000);
		
		
		this.elem.find(".navigation span").removeClass("active");
		this.elem.find(".navigation span:eq("+(num-1)+")").addClass("active");
		this.nbCurrent = num;
		this.elemCurrent = this.elem.find("#slide"+num);
	},
	
	next : function()
	{
		var num = this.nbCurrent+1;
		if(num > this.nbSlide){
			num = 1;
		}
		
		this.gotoSlide(num);
	},
	
	prev : function()
	{
		var num = this.nbCurrent-1;
		if(num < 1){
			num = this.nbSlide;
		}
		
		this.gotoSlide(num);
	},
	
	stop : function()
	{
		window.clearInterval(carrousel.timer);
	},
	
	play : function()
	{
		window.clearInterval(carrousel.timer);
		carrousel.timer = window.setInterval("carrousel.next()", 10000);
	}
}

$(function(){
	carrousel.init($("#carrousel"));
});