dt = .01; InitGraph(); ScaleWindow(-4.5,-5, 5.5, 5); DrawAxes(); // Label('Phase plane - limit at 1.0',1,.5); i=-4.4; j=-4.4; StepModel(); //executed in StepModel() doPlot(i,j); i+=1.1; if(i>=5){ i=-4.4; j+=1.1; } if (j<5){ setTimeout('StepModel()',500); }