程序如下:if (navigator.appName == 'Netscape')
{
document.captureEvents(Event.MOUSEMOVE);
document.onmousemove = netscapeMouseMove;

function netscapeMouseMove(e) {
if (e.screenX != document.test.Text1value && e.screenY != document.test.Text2.value);
{document.test.Text2.value = e.screenY;
document.test.Text1.value = e.screenX;

}function micro$oftMouseMove() {
if (window.event.x != document.test.Text1.value && window.event.y != document.test.Text2.value);
{document.test.Text1.value = window.event.x;
document.test.Text2.value = window.event.y;
}
}
</SCRIPT>
<FORM NAME="test">
<INPUT TYPE="text" id="Text1" SIZE="4"> Y: <INPUT TYPE="text" id="Text2" SIZE="4">
</FORM>