function show(which){
if (document.getElementById && document.createTextNode){
m=document.getElementById("menu"); trig=m.getElementsByTagName("div").item(which).style.display;
if (trig=="block") trig="none";
else if (trig=="" || trig=="none") trig="block"; m.getElementsByTagName("div").item(which).style.display=trig;
var highlighttext="HIDE RATES";
var normaltext="SHOW RATES";
t=m.getElementsByTagName("H2").item(which); h=t.getElementsByTagName("a").item(0).firstChild;
if (trig=="none"){h.nodeValue=h.nodeValue.
replace(highlighttext,normaltext);}
else {h.nodeValue=h.nodeValue.replace(normaltext,highlighttext);} 
} 
} 

if (!document.getElementById && !document.createTextNode){
document.write('<style type="text/css">#menu div{display:block;}</style>')
}