         for k in [0...@num_columns]
           cell_id_string = "cell_" + j + "_" + k
           cell = $("#" + cell_id_string)
-          @colorCell(cell, @grid[j][k].alive)
+          @colorCell cell, @grid[j][k].alive
 
     updateGrid: (results_grid) ->
       for j in [0...results_grid.length]

      @alive_color = alive_color
      @grid = []
      @fillGrid()
      @createCells(canvas_width, canvas_height)

    fillGrid: ->
      for i in [0...@num_rows]
        row = []
        for [0...@num_columns]
          row.push({ alive : false })
        @grid.push(row)

    createCells: (canvas_width, canvas_height) ->
      paper = Raphael("canvas", canvas_width, canvas_height)

        cell.attr(stroke: "#d8d8d8").data("row", row).data("column", column).click ->
          cell_data = world.grid[@data("row")][@data("column")]
          cell_data.alive = !cell_data.alive
          world.colorCell @, cell_data.alive

      for j in [0...@num_rows]
        for k in [0...@num_columns]
