[Eliran Pesahov]

Код:

forward IsValidSkin(skinid);
public IsValidSkin(skinid)
{
  #define	MAX_BAD_SKINS 22
  new badSkins[MAX_BAD_SKINS] =
  { 3, 4, 5, 6, 8, 42, 65, 74, 86, 119, 149, 208, 268, 273, 289 };
  if (skinid < 0 || skinid > 299) return false;
  for (new i = 0; i < MAX_BAD_SKINS; i++) { if (skinid == badSkins[i]) return false; }
  #undef MAX_BAD_SKINS
  return 1;
}

Try it, hope It will work for you.