function setVals() {
 barW = 0;
 barH = 0;
 if (navDOM) {
  if (document.height > innerHeight) barW = 20;
  if (document.width > innerWidth) barH = 20;
  } else {
  innerWidth = document.body.clientWidth;
  innerHeight = document.body.clientHeight;
  }
 posX = ((innerWidth - markW)-barW) * (markX/100);
 posY = ((innerHeight - markH)-barH) * (markY/100);
 }

function wRefresh() {
 wMark.left = posX + (navDOM?pageXOffset:document.body.scrollLeft);
 wMark.top = posY + (navDOM?pageYOffset:document.body.scrollTop);
 }

function markMe() {
 setVals();
 window.onresize=setVals;
 markID = setInterval ("wRefresh()",markRefresh);
 }

window.onload=markMe;