[Sun Boy]

how about this ?

<?php
error_reporting(7);

if (function_exists("set_time_limit")==1 and get_cfg_var("safe_mode")==0) {
  @set_time_limit(1200);
}

//suppress gzipping
$nozip=1;

require("./global.php");
require("./config.php");

adminlog();

cpheader();

// ##################################################################

  if (isset($perpage)==0 or $perpage=="") {
    $perpage=1000;
  }
  if (isset($startat)==0 or $startat=="") {
    $startat=0;
  }
  $finishat=$startat+$perpage;

  echo "<p>User ids:</p>";

  $users=$DB_site->query("SELECT userid,usertitle,usergroupid,customtitle,posts FROM user WHERE userid>=$startat AND userid<$finishat ORDER BY userid DESC");
  while ($user=$DB_site->fetch_array($users)) {
    unset($sql);
    $userid=$user[userid];

    // update user stuff
    if ($user[cookieuser]==0)
    $DB_site->query("UPDATE user SET cookieuser='1' WHERE userid='$user[userid]'");

    echo "Processing user <b>$user[userid]</b><br>\n";
    flush();
  }
  if ($checkmore=$DB_site->query_first("SELECT userid FROM user WHERE userid>=$finishat")) {
    cpredirect("cookies.php?s=$session[sessionhash]&startat=$finishat&perpage=$perpage");
    echo "<p><a href=\"cookies.php?s=$session[sessionhash]&startat=$finishat&perpage=$perpage\">Click here to continue updating users</a></p>";
  } else {
    echo "<p>User cookies updated!</p>";
  }


cpfooter();
?>