<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" 
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg width="6cm" height="5cm" viewBox="0 0 600 500"
     xmlns="http://www.w3.org/2000/svg" version="1.1" onload="runTest()">
<script>
function circle_click(evt) {
    evt.target.setAttribute("fill", "green");
}
function runTest() {
    if (window.eventSender) {
        eventSender.mouseMoveTo(100, 100);
        eventSender.mouseDown();
        eventSender.mouseUp();
    }
}
</script>
<circle onclick="circle_click(evt)" cx="300" cy="225" r="100" fill="red"/>
</svg>