var iframetag='<iframe name="masterdiv" id="masterdiv" src="http://www.texanbuddy.com/cgi/skyscraper.cgi" width="120px" height="600px" marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no" allowtransparency="true" style="position: absolute; left: -1000px; top: -1000px;"></iframe>';

var ie=(document.all || window.opera) && document.getElementById;
var iebody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body;
var ie=document.getElementById;

if (ie) {
  document.write(iframetag);
  setInterval("positionit()", 50);
}

function positionit() {
  masterdivobj=document.getElementById("masterdiv");
  var window_width=ie && !window.opera? iebody.clientWidth : window.innerWidth-20;
  window_height=ie && !window.opera? iebody.clientHeight : window.innerHeight;
  masterdivobj.style.left=(window_width < 754)? 754+5+"px" : (window_width/2)+377+5+"px";
  masterdivobj.style.top=iebody.scrollTop+"px";
}