Javascript object functions help

Hi all,

I'm new to javascript and I have no idea what I'm doing wrong. I have created a mazeObject fine, and would like to hold an array of mazeTile inside it, but when I try to define the objects in the array it creates them as a function rather than as the object.

mazeObject and instancing:

var mazeObject = function () {

    var constructor = function mazeObject(width, height) {
        var width;
        var height;
        var tiles;

        this.width = width;
        this.height = height;

        this.resize = function (x, y) {
            this.tiles = [];

            // Creates all lines:
            for (var i = 0; i < x; i++) {

                // Creates an empty line
                this.tiles.push([]);

                // Adds cols to the empty line:
                this.tiles[i].push(new Array(y));
            }

            this.clear()
        }

        this.clear = function () {
            for (var i = 0; i < this.width; i++)
                for (var j = 0; j < this.height; j++) {
                    this.tiles[i][j] = new mazeTile();
                }
        }

        this.getTile = function (x, y) {
            return this.tiles[x - 1, y - 1];
        };

        this.setTile = function (x, y, value) {
            this.tiles[x - 1, y - 1].contents = value;

        }

        // Initialize the tiles
        this.resize(width, height);
        this.setTile(1, 1, tcDiamondDoor);
    };

    return constructor;
}();
var maze = new mazeObject(7, 5);

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mazeTile (instancing in mazeObject.clear)

var mazeTile = function () {

    var constructor = function mazeTile() {
        var topWall = twNone;
        var leftWall = twNone;
        var otherWall = twoNone;
        var contents = tcNone;

        this.getContents = function () {
            return contents;
        }

    }

    return constructor;
}

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When maze.clear gets called and it creates the instance of all the mazetile objects, those tiles are of prototype function(), while the maze itself is something different.

And later when I try to use/read the tiles javascript crashes with no error (tried with just .contents or a function getcontents):

            if (tileRectContents[maze.getTile(i, j).contents] != tcNone)
            {
                drawImage(ctx, imgSpriteTile, tileRectContents[maze.getTile(i, j).getContents()], targetRect);
            }

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Any help would be appreciated as google has not been helpful