function jUmp(){
if(top.document.all)top.document.all('jump').style.visibility='visible';
if(top.document.getElementById)top.document.getElementById('jump').style.visibility='visible';
}
function gjUmp(){
if(top.document.all)top.document.all('jump').style.visibility='hidden';
if(top.document.getElementById)top.document.getElementById('jump').style.visibility='hidden';
}

function sjUmp(){
if(top.document.all)top.document.all('sjump').style.visibility='visible';
if(top.document.getElementById)top.document.getElementById('sjump').style.visibility='visible';
}
function sgjUmp(){
if(top.document.all)top.document.all('sjump').style.visibility='hidden';
if(top.document.getElementById)top.document.getElementById('sjump').style.visibility='hidden';
}