var currentImage;
    var currentIndex = -1;
    var interval;
    function showImage(index){
	
        if(index < $('#bigPic img').length){
        	var indexImage = $('#bigPic img')[index]
            if(currentImage){   
            	if(currentImage != indexImage ){
                    $(currentImage).css('z-index',2);
                    clearTimeout(myTimer);
                    $(currentImage).fadeOut(1000, function() {
					    myTimer = setTimeout("showNext()", 6000);
					    $(this).css({'display':'none','z-index':1})
					});
                }
            }
            $(indexImage).css({'display':'block', 'opacity':1});
            currentImage = indexImage;
            currentIndex = index;
            $('.diffuseurnavigation a').removeClass('active');
            $($('.diffuseurnavigation a')[index]).addClass('active');
        }
    }
    
    function showNext(){
		
        var len = $('#bigPic img').length;
        var next = currentIndex < (len-1) ? currentIndex + 1 : 0;
        showImage(next);
		
    }
    
    var myTimer;