this.addScript(function setup(columns, rows, cellExt) {
for (var y = 0; y < rows; y++)
for (var x = 0; x < columns; x++) {
var cell = new lively.morphic.Text();
fill: Global.Color.random(),
borderColor: Global.Color.black,
textColor: Global.Color.black,
cell.setPosition(pt(x, y).scaleByPt(cellExt));