var IE = document.all ? true : false;
if ( !IE ) document.captureEvents(Event.MOUSEMOVE);
document.onmousemove = getMouseXY;
function getMouseXY(e) {
  if (IE) {
    tempX = event.clientX + document.body.scrollLeft;
    tempY = event.clientY + document.body.scrollTop;
  } else {
    tempX = e.pageX;
    tempY = e.pageY;
  }
  if (tempX < 0) {tempX = 0};
  if (tempY < 0) {tempY = 0};
}