function position()
{  
  if (document.all)
     {
  	 document.all.info_box.style.marginTop=(document.body.scrollTop) + 160; 
  	 window.setTimeout("position()",1); 
     }
  else if (document.getElementById)
     { 
  	 document.getElementById("info_box").style.marginTop=(window.pageYOffset) + 160;
  	 window.setTimeout("position()",1); 
     }
}