<?php
/* getpub
 * Author : Frédéric MAIRE
 * Parameters :
 *   idx : the pub index. 
 * Return :
 *  Image file
 */
if ($idx==0) $idx=2001;
require("get_pub_data.php3");

    // invisible image
    Header("Content-type: image/gif");
    $img_null = ImageCreate( 1, 1);   
    $ct = ImageColorAllocate( $img_null, 0,0,0);
    $ct = ImageColorTransparent( $img_null, $ct);
    ImageSetPixel( $img_null, 1, 1, $ct);
    ImageGif($img_null);
    ImageDestroy($img_null);

?>