===================================================================
--- original.js
+++ change.js
@@ -85,8 +85,44 @@
 
 /**** 
 * Game Code
 ****/ 
+function handleScoreStateUp(x, y, obj) {
+	// Implement logic for handling up event in SCORE state
+	log("Handling up event in SCORE state");
+}
+function handlePlayingStateUp(x, y, obj) {
+	// Implement logic for handling up event in PLAYING state
+	log("Handling up event in PLAYING state");
+}
+function handleMenuStateUp(x, y, obj) {
+	// Implement logic for handling up event in MENU state
+	log("Handling up event in MENU state");
+}
+function handleScoreStateMove(x, y, obj) {
+	// Implement logic for handling move event in SCORE state
+	log("Handling move event in SCORE state");
+}
+function handlePlayingStateMove(x, y, obj) {
+	// Implement logic for handling move event in PLAYING state
+	log("Handling move event in PLAYING state");
+}
+function handleMenuStateMove(x, y, obj) {
+	// Implement logic for handling move event in MENU state
+	log("Handling move event in MENU state");
+}
+function handleScoreStateDown(x, y, obj) {
+	// Implement logic for handling down event in SCORE state
+	log("Handling down event in SCORE state");
+}
+function handlePlayingStateDown(x, y, obj) {
+	// Implement logic for handling down event in PLAYING state
+	log("Handling down event in PLAYING state");
+}
+function handleMenuStateDown(x, y, obj) {
+	// Implement logic for handling down event in MENU state
+	log("Handling down event in MENU state");
+}
 /***********************************************************************************************/ 
 /************************************* GAME OBJECTS CLASSES ************************************/
 /***********************************************************************************************/ 
 function PuzzleManager(game) {
@@ -387,45 +423,45 @@
 /***********************************************************************************************/ 
 game.down = function (x, y, obj) {
 	switch (currentState) {
 		case GAME_STATE.MENU:
-			// Handle operation button drag start in MENU state
+			handleMenuStateDown(x, y, obj);
 			break;
 		case GAME_STATE.PLAYING:
-			// Handle operation button drag start in PLAYING state
+			handlePlayingStateDown(x, y, obj);
 			break;
 		case GAME_STATE.SCORE:
-			// Handle operation button drag start in SCORE state
+			handleScoreStateDown(x, y, obj);
 			break;
 		default:
 			log("Unknown state:", currentState);
 	}
 };
 game.move = function (x, y, obj) {
 	switch (currentState) {
 		case GAME_STATE.MENU:
-			// Handle operation button drag movement in MENU state
+			handleMenuStateMove(x, y, obj);
 			break;
 		case GAME_STATE.PLAYING:
-			// Handle operation button drag movement in PLAYING state
+			handlePlayingStateMove(x, y, obj);
 			break;
 		case GAME_STATE.SCORE:
-			// Handle operation button drag movement in SCORE state
+			handleScoreStateMove(x, y, obj);
 			break;
 		default:
 			log("Unknown state:", currentState);
 	}
 };
 game.up = function (x, y, obj) {
 	switch (currentState) {
 		case GAME_STATE.MENU:
-			// Handle operation button drag end in MENU state
+			handleMenuStateUp(x, y, obj);
 			break;
 		case GAME_STATE.PLAYING:
-			// Handle operation button drag end in PLAYING state
+			handlePlayingStateUp(x, y, obj);
 			break;
 		case GAME_STATE.SCORE:
-			// Handle operation button drag end in SCORE state
+			handleScoreStateUp(x, y, obj);
 			break;
 		default:
 			log("Unknown state:", currentState);
 	}