okk friends use this code this is just modified and runnig fantastically.......
<style>
td{font: 12px Arial; color: #333333;}
</style>
<script language=javascript>
function clicked(val)
{
location.href = "rec_dir_list.php?dir="+val;
}
</script>
<html>
<title>Foto Album</title>
<body>
<?php
//level variable will hold 1 or 0, depending on if the directory has only files.
//1 - if sub-folders are still there
//0 - if only image files are there.
function list_images($imgdir,$level)
{
$imgdir = 'images/'; // the directory, where your images are stored
$allowed_types = array('png','jpg','jpeg','gif'); // list of filetypes you want to show
$dimg = opendir($imgdir);
$imgfile = readdir($dimg);
while($imgfile = readdir($dimg))
{
if(in_array(strtolower(substr($imgfile,-3)),$allowed_types))
{
$a_img[] = $imgfile;
sort($a_img);
reset ($a_img);
}
}
$totimg = count($a_img); // total image number
if($totimg > 0)
{
echo '<center><table><tr>';
for($x=0; $x < $totimg; $x++)
{
$size = getimagesize($imgdir.'/'.$a_img[$x]);
$halfwidth = ceil($size[0]/4);
$halfheight = ceil($size[1]/4);
if($x % 4 == 0 && $x != 0)
{
echo '</tr><tr>';
}
echo '<td><table border=1><tr><td><img src="'.$imgdir.'/'.$a_img[$x].'" width='.$halfwidth.' height='.$halfheight.'></td></tr></table></td>';
if($level==1)
{
break;
}
}
if($totimg%4 == 0)
{
echo '</table>';
}
else
{
echo '</tr></table>';
}
}
else
{
echo '<center><table><tr><td>No Images found</td></tr></table>';
}
}
function recur_dir($dir)
{
$flag=0;$ind=1;
$dirlist = opendir($dir);
echo '<center><table bgcolor=#eeeeee width="30%"><tr>';
while ($file = readdir ($dirlist))
{
if ($file != '.' && $file != '..')
{
$newpath = $dir.'/'.$file;
$level = explode('/',$newpath);
if (is_dir($newpath))
{
$ind += 1;
$flag = 1;
echo "<td>";
echo '<center><table><tr><td>';
list_images($dir.'/'.end($level),1);
echo '</td></tr><tr><td align=center>';
echo '<a href=javascript<b></b>:clicked("'.$dir.'/'.end($level).'")>'.end($level).'</a>';
echo '</td></tr></table>';
echo "</td>";
}
}
}
if($flag==0)
{
echo "<td>";
list_images($dir,0);
echo "</td></tr><tr><td><hr>Current Dir: ". $dir;
echo "</td></tr></table>";
}
else
{
echo "</tr><tr><td colspan=".$ind." align=center><hr>Current Dir: ". $dir;
echo "</td></tr></table>";
}
closedir($dirlist);
}
$curr_dir = $_REQUEST['dir'];
if($curr_dir == "")
{
$curr_dir = './images';
}
recur_dir($curr_dir);
?>
</body>
</html>
but you people must create a folder 'images' exactly where you keep this page with some images..
Marked 
