Or replace the definition of the array with this
myArray = new Array();
var startX = 50;//xposition to start
var startY = 50;//yposition to start
var columns = 4;
var rows = 6;
var newX = startX+(columns-1)*30;
var newY = startY+(rows-1)*30;
for (var y = startY; y<=newY; y += 30) {
for (var x = startX; x<=newX; x += 30) {
myArray.push([x, y]);
}
}
scotty(-: