coloured event timer

var canvas;
canvas = openGraphics();


canvas.setColor ("Red");
canvas.setFont ("Impact", "30px");
canvas.drawString ("Event Timer", 10, 10);

canvas.setColor ("Blue");
canvas.setFont ("Calibri", "15px");


var aDate1;
aDate1 = new Date();
alert( "Press \"OK\" to start the timer." );
aDate1 = new Date();
canvas.drawString (aDate1, 10, 50);


var aDate2;
aDate2 = new Date();
alert( "Press \"OK\" to stop the timer." );
aDate2 = new Date();
canvas.drawString (aDate2, 10, 80);

var difference;
difference = aDate2 - aDate1;
difference = difference.toString();

if (difference < 1050)
{
	difference = canvas.setColor ("green");
}

canvas.drawString ("The difference between clicks in milliseconds is:", 10, 110);
canvas.setFont ("Calibri", "15px", Font.BOLD);
canvas.drawString (difference, 320, 110);

canvas.paint();