var divStamps; function footerDoOnload() { divStamps = document.getElementById('divStamps'); var posnDivStampsWid = 88; var posnDivStampsHei = 31 + 31 + 4; divStamps.style.left = (window.innerWidth - posnDivStampsWid) +'px'; divStamps.style.top = (window.innerHeight - posnDivStampsHei) +'px'; }