/** * Author: Andrew Mustun * $Id: layer01.qs 921 2004-12-19 00:31:22Z andrew $ * * Adds three layers 'red', 'green' and 'blue' to the * current drawing and a line on each layer. */function main() {    var doc = new Document;    var view = new View;    var pens = [ new Pen(255,0,0), new Pen(0,255,0), new Pen(0,0,255) ];    var layers = [ "l_red", "l_green", "l_blue" ];    for (var i = 0; i < layers.length; i++) {        doc.addLayer(layers[i], pens[i]);        doc.setActiveLayer(layers[i]);        var line = new Line(doc, i*5.0,0.0, 50.0+i*5.0,50.0);        doc.addEntity(line);    }    view.zoomAuto();}