function move_img(){
if (document.all){
var do_bo=document.body;
m_img.style.pixelLeft = do_bo.scrollLeft+
do_bo.clientWidth-100;
m_img.style.pixelTop = do_bo.scrollTop+
do_bo.clientHeight-40;
}
else if(document.layers)
{
document.m_img.left = window.pageXOffset+
innerWidth-200;
document.m_img.top = window.pageYOffset+
innerHeight-40;
}
}
setInterval("move_img()",100);