function toggleexpand(divid){menudivid="x"+divid;x=document.getElementById(divid);y=document.getElementById(menudivid);if(x.style.backgroundImage=="url(expand_arrow.gif)"){x.style.backgroundImage="url(contract_arrow.gif)";y.style.visibility="visible";y.style.display="block";}else{x.style.backgroundImage="url(expand_arrow.gif)";y.style.visibility="hidden";y.style.display="none";}}
function linker(url){location.href=url;}