self.onError=null;
currentX = currentY = 0; 
whichIt = null; 
lastScrollX = 0; lastScrollY = 0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;

<!-- STALKER CODE -->
function heartBeat() {
  if(IE) { 
  diffY = document.body.scrollTop; 
  diffX = 0; 
  }
  if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
  if(diffY != lastScrollY) {
    percent = .1 * (diffY - lastScrollY);
    if(percent > 0) percent = Math.ceil(percent);
    else percent = Math.floor(percent);
    if(IE) document.all.floater.style.pixelTop += percent;
    if(NS) document.floater.top += percent; 
    lastScrollY = lastScrollY + percent;
  }
  if(diffX != lastScrollX) {
    percent = .1 * (diffX - lastScrollX);
    if(percent > 0) percent = Math.ceil(percent);
    else percent = Math.floor(percent);
    if(IE) document.all.floater.style.pixelLeft += percent;
    if(NS) document.floater.top += percent;
    lastScrollY = lastScrollY + percent;
  } 
} 
if(NS || IE) action = window.setInterval("heartBeat()",1);


function myPopup() {
   mywindow = window.open ("http://www.maron.co.kr/main-notice.html","mywindow","location=0,status=0,scrollbars=1,width=500,height=400");
   mywindow.moveTo(200,100);
}