document.observe('dom:loaded', function(){
 
  $$('.industry').invoke('hide');
  if(window.location.hash){
    var ind = (window.location.hash).substr(1);
    var ind2 = 'sidenav-'+ind;
    $(ind2).addClassName('selected');
    $(ind).show();
  } else {
    $('featured').show();
    $('sidenav-featured').addClassName('selected');
  }
  
  // select industries from the sidebar
  $$('#by-industry a').each(function(a) {
    a.observe('click', function(e) {
      Event.stop(e);
      
      $$('#by-industry li').invoke('removeClassName','selected');
      var sidebarnav = $(this).up('li').id;
      $(sidebarnav).addClassName('selected');
      
      $$('.industry').invoke('hide');
      var showdiv = (sidebarnav).substr(8);
      if(showdiv=='all'){ 
        $$('.industry').invoke('show');
      } else {
        $(showdiv).show();
      }
      
    }.bindAsEventListener(a));
  })
  
  // featured
  $$('#featured-stories div').invoke('hide');
  $('featured1').show();
  $('featured1-button').addClassName('selected');
  
  $$('#featured-stories li a').each(function(a) {
    a.observe('click', function(e) {
      Event.stop(e);
      $$('#featured-stories li').invoke('removeClassName','selected');
      $(this).up('li').addClassName('selected');
      showdiv=($(this).readAttribute('href')).substr(1);
      $$('#featured-stories div').invoke('hide');
      $(showdiv).show();
    }.bindAsEventListener(a));
  })
  
});