+/* values for change sides for custom elements */
+#define CH_SIDE_LEFT MV_LEFT
+#define CH_SIDE_RIGHT MV_RIGHT
+#define CH_SIDE_TOP MV_UP
+#define CH_SIDE_BOTTOM MV_DOWN
+#define CH_SIDE_LEFT_RIGHT MV_HORIZONTAL
+#define CH_SIDE_TOP_BOTTOM MV_VERTICAL
+#define CH_SIDE_ANY MV_ANY_DIRECTION
+