message changes

index.js

@@ -479,7 +479,7 @@ Block.prototype.sendMessage = function(dir){
 	messagex = this.x + Block.dx(dir);
 	messagey = this.y + Block.dy(dir);
 	if(messagex>=0 && messagey>=0 && messagex<this.game.width && messagey<this.game.height && this.game.board[messagex][messagey] != null) {
-		this.game.board[messagex][messagey].onMessage((dir+2)%4);
+		this.game.board[messagex][messagey].onMessage(((parseInt(dir)+2)%4).toString());
 	}
 }
 Block.prototype.onMessage = function(dir){