Оформление заказа под гостем (реализация за пару минут)

/*-------------------*/
$PERSON_TYPE = 1;
$EMAIL_PROPS_ID = 3;
$FNL_PROPS_ID = 2;
/*-------------------*/ 

$rsUsers = CUser::GetList(($by="id"), ($order="desc"), array("EMAIL" => $_POST["ORDER_PROP_$EMAIL_PROPS_ID"]));       
   if ($arUser = $rsUsers->Fetch())       
   {       
      $userID = $arUser["ID"];       
   }

if($_POST["ORDER_PROP_8"]){       
      $mail = $_POST["ORDER_PROP_8"]; //$_POST["ORDER_PROP_8"] - это свойство заказа с мылом, просто я по ID завязывал, а не по имени свойства        
   }else{       
      $mail = $_POST["ORDER_PROP_12"]; //$_POST["ORDER_PROP_12"] - а тут мне пришлось указать свойство для юр. лих, т.к. с физическими они разходятся и у меня на сайте 2 типа плательщиков...       
   };       
   $rsUsers = CUser::GetList(($by="id"), ($order="desc"), array("EMAIL" => "$mail"));       
   while($arUser = $rsUsers->Fetch()):       
      $arGroups = CUser::GetUserGroup($arUser["ID"]);       
      foreach($arGroups as $arGroup => $arGroupID){       
         if($arGroupID == 1) //проверяем принадлежность к грппе администраторов       
            {       
               break;       
            }else{       
               $arUserUser = $arUser["ID"];       
               break;       
            };       
      };       
   endwhile;       
   if ($arUserUser)       
   {       
      $userID = $arUserUser;       
   }

else     
   {     
      $obUser = new CUser;     
     
      if (strpos($_POST["ORDER_PROP_$FNL_PROPS_ID"], ",") !== false)     
         $arNames = explode(",", $_POST["ORDER_PROP_$FNL_PROPS_ID"]);     
      else     
         $arNames = explode(" ", $_POST["ORDER_PROP_$FNL_PROPS_ID"]);     
      TrimArr($arNames);     
      $userLogin = "client".time();     
      $userPassw = GetRandomCode();     
     
      $arFields = Array(     
         "EMAIL"          => $_POST["ORDER_PROP_$EMAIL_PROPS_ID"],     
         "LOGIN"          => $userLogin,     
         "LID"          => SITE_ID,     
         "ACTIVE"       => "Y",     
         "GROUP_ID"       => explode(",", COption::GetOptionString("main", "new_user_registration_def_group")),     
         "PASSWORD"       => $userPassw,     
         "CONFIRM_PASSWORD"  => $userPassw     
      );

else     
   {     
     
      if (strpos($_POST["ORDER_PROP_9"], ",") !== false)     
         $arNames = explode(",", $_POST["ORDER_PROP_9"]);     
      else     
         $arNames = explode(" ", $_POST["ORDER_PROP_9"]);     
      TrimArr($arNames);     
      $userPassw = GetRandomCode();     
     
      $arFields = Array(     
         "LOGIN"          => "$mail",     
         "EMAIL"          => "$mail",     
         "LID"          => SITE_ID,     
         "ACTIVE"       => "Y",     
         "GROUP_ID"       => explode(",", COption::GetOptionString("main", "new_user_registration_def_group")),     
         "PASSWORD"       => $userPassw,     
         "CONFIRM_PASSWORD"  => $userPassw     
      );

if (strpos($_POST["ORDER_PROP_9"], ",") !== false)     
         $arNames = explode(",", $_POST["ORDER_PROP_9"]);     
      else     
         $arNames = explode(" ", $_POST["ORDER_PROP_9"]);

     
   /*------------------------------------*/     
   $USER->Authorize($userID); // авторизуем