function init(){
  var stretchers = document.getElementsByClassName('box');
  var toggles = document.getElementsByClassName('tab');
  var myAccordion = new fx.Accordion(
    toggles, stretchers, {opacity: false, height: true, duration: 600}
  );
	
  var found = false;
  toggles.each(function(h3, i){
    var div = Element.find(h3, 'nextSibling');
    if (window.location.href.indexOf(h3.title) > 0) {
      myAccordion.showThisHideOpen(div);
      found = true;
    }
  });
  if (!found) myAccordion.showThisHideOpen(stretchers[0]);
}