loop carousel jquery [duplicate]

Question

Possible Duplicate:
my carousel does not work

am a bit puzzled! i got this carousel am creating and i desire that it loops. everything else works out fine, but, when the last image has slid up i want the first one to do the same after it, then the second...infinitely. i have tried many things like appending the first image to the last. i have also tried showing back the images after the last(this one tries but gives an undesirable effect).

i need to be shown what tweaks i need to make. thanks big time!

var images = $("#slideShow div");
var index = 0;
for (i = 0; i < images.length; i++) {
    $(images[i]).addClass("image-" + i);
}

setInterval(function() {
    $(".image-" + (index)).slideUp(1000);
    if (index < images.length - 1) {
        index += 1;
    }   
    else {
        index = 0;
    }    
}, 500);


  #slideShow {
height:20em;
width:80%;
float:right;

}

#slideShow div{
line-height:20em;
float:right;
}   

   #slideShow img{
vertical-align:middle;
border:solid 5px #A5A5A5;
border-radius:5px;
-moz-border-radius:5px;
-webkit-border-radius:5px;
}

        <div id="slideShow">
                    <?php

                            $dir = "carousel";
                        $dh = opendir($dir);
                        while($slide = readdir($dh)){
                                $items[] = $slide;
                            }

                            for($i=0; $i<sizeof($items); $i++){
                                                            if($items[$i] !=   "." && $items[$i] != ".."){
                                                   $imagePath = $dir."/".$items[$i];
                                                   $image = "<div>"."<img src = \"".$imagePath."\""." />"."</div>";
                                                    echo $image;

                                        }

                                }
                            closedir($dh);

                        ?>

            </div>

Answer 1

Instead of toggling your images that will make the code unreadable and full of z-index changes, just animate the scrollTop of the container element

• Animate the scrollTop and inside a callback, redo the loop function and:
• reset the scrollTop to 0 and
• remove the first element, appending it after the the last one

var $slideShow = $('#slideshow');

function loop() {
  $slideShow.stop().animate({
    scrollTop: 200
  }, 800, 'linear', function() {
    $(this).scrollTop(0).find('div:last').after($('div:first', this));
    loop(); // Recursion
  });
}

loop(); // Start

#slideshow {
  width: 200px;
  height: 200px;
  position: relative;
  overflow: hidden;
}

#slideshow img {
  display: block;
}

<div id="slideshow">
  <div><img src="http://placehold.it/200x200/cf5&text=1" alt=""></div>
  <div><img src="http://placehold.it/200x200/f0f&text=2" alt=""></div>
  <div><img src="http://placehold.it/200x200/444&text=3" alt=""></div>
  <div><img src="http://placehold.it/200x200/f70&text=4" alt=""></div>
</div>

<script src="https://code.jquery.com/jquery-3.1.0.js"></script>