Mira usa esto
lo colocas arriba del todo el codigo
Código PHP:
<?php
$editFormAction = $_SERVER['PHP_SELF'];
if (isset($_SERVER['QUERY_STRING'])) {
$editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']);
}
// Aqui editas a tu gusto
if (!session_id()) session_start();
$fx_links = array();
$fx_extallowed = array("gif","jpg","png");
$fx_path = "imagenes/";
$fx_x = 0;
$fx_display = "";
$fx_count = -1;
$fx_imgs=opendir($fx_path);
while (($file = readdir($fx_imgs)) !== false) {
$fx_x++;
}
rewind($fx_imgs);
while (($fx_file = readdir($fx_imgs)) !== false) {
$fx_count++;
if ($fx_file != "." && $fx_file != "..") {
$fx_pos = strpos($fx_file, ".");
if ($fx_pos > 1) $fx_Ext = strtolower(substr($fx_file, $fx_pos+1));
if (!is_dir($fx_path.$fx_file) && isset($fx_Ext) && array_search($fx_Ext,$fx_extallowed) !== false) {
if (isset($_SESSION['fx_img'])) {
if ($fx_count > $_SESSION['fx_img']) {
$fx_display = '<img src="'.$fx_path.$fx_file.'" border="0">';
session_unregister("fx_img");
$fx_img = $fx_count;
session_register("fx_img");
break;
}
} else {
if (isset($_SESSION['fx_rdm'])) {
$fx_rdm = $fx_count;
} else {
$fx_rdm = mt_rand(1,$fx_x);
session_register("fx_rdm");
}
if ($fx_count == $fx_rdm) {
$fx_display = '<img src="'.$fx_path.$fx_file.'" border="0">';
$fx_img = $fx_count;
session_register("fx_img");
break;
}
}
}
}
}
closedir($fx_imgs);
if ($fx_display == "") {
session_unregister("fx_img");
header ("Location: " . $editFormAction);
}
for ($i=0; $i<sizeof($fx_links); $i++) {
$fx_ref = split("=",$fx_links[$i]);
if ($fx_file == $fx_ref[0]) {
if (isset($fx_ref[2]) && $fx_ref[2] != "") $fx_display = str_replace('>', ' alt="'.$fx_ref[2].'" title="'.$fx_ref[2].'">', $fx_display);
if (isset($fx_ref[1]) && $fx_ref[1] != "") $fx_display = '<a href="http://'.$fx_ref[1].'" target="_blank">'.$fx_display.'</a>';
break;
}
}
?>
y esto donde quieras que parescan las imagenes
Código PHP:
<?php echo $fx_display; ?>