Send size of the board as parameters.

tetris.js

@@ -1,27 +1,27 @@
 function TetrisGame(id) {
+	this.width = 10;
+	this.height = 15;
+	this.canvas = new TetrisCanvas(id);
+	this.board = createArray(this.width, this.height);
+	
+	this.doTurn = function() {
+		this.canvas.drawBoard(this.board);
+	}
 
 	this.TetrisGame = function(id) {
-		var canvas = new TetrisCanvas(id);
-		var board = createArray(10,15);
-		
+		this.canvas = new TetrisCanvas(id, this.width, this.height);
+		this.board = createArray(this.width, this.height);
 		for (var y = 0; y < 15; y++) {
 			for (var x = 0; x < 10; x++) {
-				board[x][y] = 0;
+				this.board[x][y] = 0;
 			}
 		}
-		
-		board[1][1] = 'I';
-		board[2][1] = 'J';
-		board[3][1] = 'L';
-		board[4][1] = 'O';
-		board[5][1] = 'S';
-		board[6][1] = 'T';
-		board[7][1] = 'Z';
-		canvas.drawBoard(board);
 	};
 	this.TetrisGame(id);
 }
 
 $(document).ready(function() {
-	new TetrisGame("tetris-board");
+	var tetris = new TetrisGame("tetris-board");
+	tetris.board[1][1] = 'I';
+	tetris.doTurn();
 });