static public void SetSpriteColorByQulity(UISprite sp, int qulity)
 {
     switch (qulity)
     {
         case 1: sp.ShowAsButtonWhite(); break;
         case 2: sp.ShowAsButtonGreen(); break;
         case 3: sp.ShowAsButtonBlue(); break;
         case 4: sp.ShowAsButtonPurpose(); break;
         case 5: sp.ShowAsButtonDarkGold(); break;
         case 6: sp.ShowAsButtonDarkGold(); break;
         default: sp.ShowAsButtonNormal(); break;
     }
 }