if ($p_item_id['count'] => $col_p) {echo "<script>location.href='game.php?go=items';</script>"; exit;}

если там такая строка:  
  plus_item($nums,$id);  
  поменяй его на: plus_item($nums,$id,$_SESSION['id']);

function plus_item_the_p($cool,$item_id,$id_p)
{
$items = first('SELECT * FROM items_users WHERE user_id=%d AND item_id=%d',$id_p,$item_id);
if($items['count'] == "")
{                     
insert('items_users',array(
     'item_id'=>$item_id,
     'user_id'=>$id_p,
     'count'=>$cool));
}
else
{
$x = $items['count'] + $cool;
update('items_users',array('count'=>$x),'id='.(int)$items['id']);
}}

Parse error: syntax error, unexpected T_DOUBLE_ARROW in /www/elitno.net/p/o/pokemongames/home/site/include/ite.php on line 175

$s_pers = first('SELECT * FROM users WHERE login=%s',$login_pers);

if ($p_item_id['count'] >= $col_p) {echo "<script>location.href='game.php?go=items';</script>"; exit;}

if ($p_item_id['count'] >= $col_p) {echo "<script>location.href='game.php?go=items';</script>"; exit;}

// ищем тренера  
  $s_pers = first("SELECT * FROM users WHERE login='%s'",$login_pers);