<!--
function toggle(linkset) {
  categoryset = document.getElementById("categoryset_"+linkset);
  toggleexpand = document.getElementById("toggleexpand_"+linkset);
  toggleclose = document.getElementById("toggleclose_"+linkset);
  
  categoryset.style.display = (categoryset.style.display == "none") ? "block" : "none";
  toggleexpand.style.display = (toggleexpand.style.display == "none") ? "inline" : "none";
  toggleclose.style.display = (toggleclose.style.display == "none") ? "inline" : "none";
}
-->