var currentImage = 0;

	function preload_images(tabfoto) {
		var preloadimg = new Image();
		
		for(var i=0; i < tabfoto.length; i++)
		{
			preloadimg.src = "images/background-"+tabfoto[i]+".jpg";
		}
	}
	
	function changeImage(tabfoto, id)
	{
		var tabfoto;
		var valeur = tabfoto[currentImage]+'';
		var numimg=valeur.split("#");
		
		var preloadimg = new Image();
		preloadimg.src = "images/background-"+numimg[0]+".jpg";
		
		if (preloadimg.complete) {
				$(id).fadeOut("slow", function(){
					$(this).attr("src", "images/background-"+numimg[0]+".jpg");
					$(this).fadeIn("slow");
				});
		} else {
			$(preloadimg).load(function() {
				$(id).fadeOut("slow", function(){
					$(this).attr("src", "images/background-"+numimg[0]+".jpg");
					$(this).fadeIn("slow");
				});
			});
		}
		
		currentImage++;
		if (currentImage == tabfoto.length) currentImage = 0;
		
	}
	
	function shuffle(a)
	{
	   var j = 0;
	   var valI = '';
	   var valJ = valI;
	   var l = a.length - 1;
	   while(l > -1)
	   {
			j = Math.floor(Math.random() * l);
			valI = a[l];
			valJ = a[j];
			a[l] = valJ;
			a[j] = valI;
			l = l - 1;
		}
		return a;
	 }