var incr = (is_ie ? 5 : 20);
window.onresize = resize;
window.onscroll = resize;
window.onload = resize;
function resize()
{
backbone.style.right=(-document.body.scrollLeft+incr) + "px";;
backbone.style.bottom= (-document.body.scrollTop+incr) + "px";
backbone.style.width="auto";
backbone.style.height="auto";
backbone.style.margin="0px";
}