===================================================================
--- original.js
+++ change.js
@@ -74,8 +74,9 @@
 	var self = Container.call(this);
 	self.gridColumns = columns;
 	self.gridLines = lines;
 	var oneCell = new GridCell('', assetName); //Taille de reference
+	self.oneCell = oneCell;
 	self.width = oneCell.width * self.gridColumns;
 	self.height = oneCell.height + oneCell.height * (self.gridLines - 1);
 	self.clickable = true; //Indique si la grille est cliquable
 	self.cells = [];
@@ -413,34 +414,59 @@
 ****/ 
 //Fonction displayminiBackGrounds : permet d'afficher les miniatures des fonds et d'y associer un événement de click
 //Les assets de fond sont stockés dans la liste backGroundsList
 function displayminiBackGrounds() {
+	var _this = this;
 	var nbBoutons = backGroundsList.length;
+	var _loop = function _loop() {
+			name = namesList[i];
+			miniBackGrounds[i] = new Button('', {
+				assetName: backGroundsList[i],
+				mainList: mainListsList[i],
+				x: game.width / 2,
+				y: ScoreZone.height + _this.height / 2 + i * (MainZone.height - _this.height / 2) / nbBoutons,
+				width: game.width,
+				height: (MainZone.height - _this.height / 2) / nbBoutons,
+				fill: "#00FF00",
+				text: {
+					size: 100,
+					fill: "#000000"
+				},
+				onClick: onClickMiniBackGround
+			});
+			oneCell = new GridCell('', 'cell'); // Define oneCell variable
+			nbWords = mainListsList[i].length;
+			nameGrid = makeNameGrid(name + "(" + nbWords + ")", 'cellWord');
+			nameGrid.y = miniBackGrounds[i].height / 2 - 2.5 * nameGrid.height;
+			nameGrid.width = miniBackGrounds[i].width - 2 * oneCell.width;
+			nameGrid.height = 2 * miniBackGrounds[i].height;
+			nameGrid.x = -nameGrid.width / 2 + oneCell.width / 2;
+			miniBackGrounds[i].addChild(nameGrid);
+			game.addChild(miniBackGrounds[i]);
+			function setHelpButtons(asset) {
+				helpButton = new Button('', {
+					assetName: asset,
+					x: game.width - 300,
+					y: 100,
+					width: 200,
+					height: 200,
+					fill: "#00FF00",
+					text: {
+						size: 50,
+						fill: "#000000"
+					},
+					onClick: onClickHelpButton
+				});
+				game.addChild(helpButton);
+			}
+			setHelpButtons('ButtonHelp');
+		},
+		name,
+		oneCell,
+		nbWords,
+		nameGrid;
 	for (var i = 0; i < backGroundsList.length; i++) {
-		var name = namesList[i];
-		miniBackGrounds[i] = new Button('', {
-			assetName: backGroundsList[i],
-			mainList: mainListsList[i],
-			x: game.width / 2,
-			y: ScoreZone.height + this.height / 2 + i * (MainZone.height - this.height / 2) / nbBoutons,
-			width: game.width,
-			height: (MainZone.height - this.height / 2) / nbBoutons,
-			fill: "#00FF00",
-			text: {
-				size: 100,
-				fill: "#000000"
-			},
-			onClick: onClickMiniBackGround
-		});
-		var oneCell = new GridCell('', 'cell'); // Define oneCell variable
-		var nbWords = mainListsList[i].length;
-		var nameGrid = makeNameGrid(name + "(" + nbWords + ")", 'cellWord');
-		nameGrid.y = miniBackGrounds[i].height / 2 - 2.5 * nameGrid.height;
-		nameGrid.width = miniBackGrounds[i].width - 2 * oneCell.width;
-		nameGrid.height = 2 * miniBackGrounds[i].height;
-		nameGrid.x = -nameGrid.width / 2 + oneCell.width / 2;
-		miniBackGrounds[i].addChild(nameGrid);
-		game.addChild(miniBackGrounds[i]);
+		_loop();
 	}
 } //Fin de la fonction displayminiBackGrounds
 //Fonction onClickMiniBackGround : permet de sélectionner un thème de jeu
 function onClickMiniBackGround() {
@@ -509,8 +535,30 @@
 		height: MainZone.height
 	});
 	game.addChild(backGroundImage);
 } //Fin de la fonction setBackGroundImage
+//Fonction setHelpButton : permet de définir le bouton d'aide
+//Le bouton d'aide est situé en haut à droite de l'écran dans la zone score a cote du bouton home
+function setHelpButton(asset) {
+	helpButton = new Button('', {
+		assetName: asset,
+		x: game.width - 300,
+		y: 100,
+		width: 200,
+		height: 200,
+		fill: "#00FF00",
+		text: {
+			size: 50,
+			fill: "#000000"
+		},
+		onClick: onClickHelpButton
+	});
+	game.addChild(helpButton);
+} //Fin de la fonction setHelpButton
+//Fonction onClickHelpButton : permet d'afficher une aide
+function onClickHelpButton() {
+	//On affiche une aide a implementer
+} //Fin de la fonction onClickHelpButton				
 //Fonction onClickHomeButton : permet de retourner à l'accueil
 //On réinitialise les variables et on affiche les miniatures des fonds
 function onClickHomeButton() {
 	isGameStarted = false;
@@ -563,12 +611,13 @@
 			if (isWordInMainList) {
 				//Si le mot est dans la liste principale, on compense les lettres utilisées avec récompense
 				for (var i = 0; i < wordGrid.gridColumns; i++) {
 					mainGrid.setLetter(wordGrid.cells[0][i].columnFrom, wordGrid.cells[0][i].lineFrom, wordGrid.cells[0][i].letter);
-					var xAbsCell = (wordGrid.cells[0][i].columnFrom + 1) * wordGrid.cells[0][i].width + mainGrid.x + wordGrid.cells[0][i].width;
-					var yAbsCell = (wordGrid.cells[0][i].lineFrom + 1) * wordGrid.cells[0][i].height + mainGrid.y + wordGrid.cells[0][i].height;
-					scoreTest += "i=" + i + " / width: " + wordGrid.cells[0][i].width + " / height: " + wordGrid.cells[0][i].height + " xAbsCell: " + xAbsCell + " / yAbsCell: " + yAbsCell + "\n";
-					scrollCoins(1, 'RewardsCoin', xAbsCell, yAbsCell, 5000, 30, rewardForLetter, 'SoundRewardCoin', game.width / 2, MainZone.y - scoreText.height / 2);
+					var cellWidth = mainGrid.oneCell.width;
+					var cellHeight = mainGrid.oneCell.height;
+					var xAbsCell = (wordGrid.cells[0][i].columnFrom + 1) * cellWidth + mainGrid.x - cellWidth;
+					var yAbsCell = (wordGrid.cells[0][i].lineFrom + 1) * cellHeight + mainGrid.y - cellHeight / 2;
+					scrollCoins(1, 'RewardsCoin', xAbsCell, yAbsCell, 60, 30, rewardForLetter, 'SoundRewardCoin', game.width / 2, MainZone.y - scoreText.height / 2);
 				}
 				isWordInMainList = false;
 			}
 			wordGrid.resetGrid();
@@ -966,9 +1015,9 @@
 /**** 
 * Main loop
 ****/ 
 game.update = function () {
-	//scoreTest = wordsMainList.length;
+	scoreTest = wordsMainList.length;
 	updateScoreTest(scoreTest);
 	//Choix du thème
 	if (!isThemaSelected) {
 		return;