var nieuwsblokkeneffect = [];
function activateNewsitem(n)
{
  var pos = 0;
  for (var i = 0; i < 5; i++) {
    if (nieuwsblokkeneffect[i]) {
      nieuwsblokkeneffect[i].cancel();
    }
    $('nb-'+i).removeClassName('active-item');
    nieuwsblokkeneffect[i] = new Effect.Move('nb-'+i, {
      x: 0,
      y: pos,
      mode: 'absolute',
      duration: 0.85
    })
    pos += 25;
    if (n == i) pos += 148;
  }
  setTimeout(function() { $('nb-'+n).addClassName('active-item'); }, 700);
}

var serviceseffect = [];
var servicescount = 0;
function activateServiceitem(n)
{
  var pos = 0;
  for (var i = 1; i <= servicescount; i++) {
    if (serviceseffect[i]) {
      serviceseffect[i].cancel();
    }
    $('service-'+i).removeClassName('active-item');
    
    serviceseffect[i] = new Effect.Move('service-'+i, {
      x: 0,
      y: pos,
      mode: 'absolute',
      duration: 0.35
    })
    
    //pos += 22;
    //if (n == i) pos += $('service-'+i).style.height.substr($('service-'+i).style.height.length - 2);
  }
  $('service-'+n).addClassName('active-item');
}

function toggleTabs() {
  $$('#product-detail-nav li').each(function(s) {
    
    Event.observe(s, 'click', function() {
      li_id = s.id.substr(19);
      
      $$('#product-detail-panels li').each(function(s) {
        if (s.id == 'product-detail-panel-' + li_id) {
          s.addClassName('active-item');
        }
        else {
          s.removeClassName('active-item');
        }
      });
      
      $$('#product-detail-nav li').each(function(s) {
        if (s.id == 'product-detail-nav-' + li_id) {
          s.addClassName('active-item');
        }
        else {
          s.removeClassName('active-item');
        }
      });
    });
  });
}