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$smarty->register_function('asc','asc_num');

function asc_num($params){
    extract($params);    
    echo chr($num+64);
}

<{asc num=$smarty.section.loop2.iteration}>

function insert_left($params, &$smarty) {
  global $FOURAPP;
  $o_app = new AppProx;
  $bRet = $o_app->getUserList(&$objarr, $params['cuseruid']);
  if($bRet) {
    if(is_array($objarr) && count($objarr)>0) {
      $userapplist = array_diff_key($objarr, $FOURAPP);
    } else {
      $userapplist = array();
    }
    $smarty->assign('cuseruid', $params['cuseruid']);
    $smarty->assign('userappnum', count($userapplist));
    $smarty->assign('userapplist', &$userapplist);
    $smarty->assign('fourapp', &$FOURAPP);
  }
  $html = &$smarty->fetch('part/left.html');
  return $html;
}

function insert_top($params,&$smarty){
  $smarty->assign('cuseruid',$params['cuseruid']);
  return $smarty->fetch('part/top.html');
}

        <div class="SG_wrapall">
            {insert name="top" cuseruid=$uidowner}
        </div>
        <div class="SG_wrap950 pybg">
            <div class="SG_colW13 SG_colFirst">
                {insert name="left" cuseruid=$uidowner}
            </div>