if (typeof(fontSizer) != "undefined") {
  fontSizer.init();
}

if (typeof(popupLinks) != "undefined") {
  popupLinks.init();
}

if (typeof(collapseSections) != "undefined") {  
  collapseSections.config.dropmenu = {  
    // excludeSel  : null,   // optional element
    // startOpen   : 0,      // number of items to open by default
    blockSel    : "div.dropmenu",
    headSel     : "h3.label"
  };
  collapseSections.init();
}