function Hide(id) {
   var objid = id;
   var head1 = document.getElementById(objid);
   if (navigator.userAgent.indexOf("Netscape6") != -1) {
      head1.style.visibility="hidden";
   } else {
    head1.style.display="none";
   }
}
		
function Show(id) {
   var objid = id;
   var head1 = document.getElementById(objid);
   if (navigator.userAgent.indexOf("Netscape6") != -1) {
      head1.style.visibility="visible";
   } else {
      head1.style.display= "";
   }
}