var numb, next, prev;
var st;
var d=90;


function menu ( ) {
st = parent.location.pathname;
numb = st.substring (st.lastIndexOf ( "j" )+1, st.length - 4 );
next=eval(numb) + 1;
prev=eval(numb) - 1;

{
if ( numb==1 ) 
document.write('<b><a href="../index.html"> HOME</a> | <a href="j'+next+'.htm">NEXT</a></b>'); 
else
{
if (numb==d)
document.write('<b>  <a href="j'+prev+'.htm">PREV</a> | <a href="../index.html"> HOME</a></b>');  
else 
document.write('<b>  <a href="j'+prev+'.htm">PREV</a> | <a href="../index.html"> HOME</a> | <a href="j'+next+'.htm">NEXT</a></b>');

}
}
}