#define IS_ENVELOPE(e) ((e) >= EL_ENVELOPE_1 && \
(e) <= EL_ENVELOPE_4)
+#define IS_BALLOON_ELEMENT(e) ((e) == EL_BALLOON || \
+ (e) == EL_BALLOON_SWITCH_LEFT || \
+ (e) == EL_BALLOON_SWITCH_RIGHT || \
+ (e) == EL_BALLOON_SWITCH_UP || \
+ (e) == EL_BALLOON_SWITCH_DOWN || \
+ (e) == EL_BALLOON_SWITCH_ANY || \
+ (e) == EL_BALLOON_SWITCH_NONE)
+
#define IS_RND_KEY(e) ((e) >= EL_KEY_1 && \
(e) <= EL_KEY_4)
#define IS_EM_KEY(e) ((e) >= EL_EM_KEY_1 && \