php, printing thumbnail images

[lbrassaw]

Hello. I am overlooking something. My code prints thumbnail images in groups of 8; but each time I click a thumbnail, that image goes to position 1 of the displayed thumbnail images. If you could point out my folly, I'd appreciate it!
Here's the section of the code:

if ($_GET["img"]) {
$i = $_GET["img"];
}
else {
$i = 1;
}

$dir = 'texture/thumbnails/';
$filecount = 0;
$d = dir($dir);
while ($f = $d->read()) {
if(($f!= ".") && ($f!= "..")) {
if(!is_dir($f)) $filecount++;

[phpasks]

Hello. I am overlooking something. My code prints thumbnail images in groups of 8; but each time I click a thumbnail, that image goes to position 1 of the displayed thumbnail images. If you could point out my folly, I'd appreciate it!
Here's the section of the code:

if ($_GET["img"]) {
$i = $_GET["img"];
}
else {
$i = 1;
}

$dir = 'texture/thumbnails/';
$filecount = 0;
$d = dir($dir);
while ($f = $d->read()) {
if(($f!= ".") && ($f!= "..")) {
if(!is_dir($f)) $filecount++;

$extensions = array(".JPG",".jpg", ".jpeg");

if ($handle1 = opendir('texture/thumbnails/'))
{
    while (false !== ($file1 = readdir($handle1)))
    {
        if (in_array((strrchr(strtolower($file1), '.')),$extensions) && !is_dir($file1) && $file1!="." && $file1!="..") //Checks that the extension is on the list
        {
            $lcount++;
        }
    }
} 

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