function setVariables(){
if (navigator.appName == "Netscape") {
v=".top=";dS="document.";sD="";y="window.pageYOffset" }
else {v=".pixelTop=";dS="";sD=".style";y="document.body.scrollTop"}}
function checkLocation(){
object="object1";yy=eval(y);eval(dS+object+sD+v+yy);setTimeout("checkLocation()",10)
}