var ExternalLinkController = new Class({
  initialize:function() {
    $$('a.external-link-button').each(function(linkEl) {
      var dest = new URI('browse-product-range'); 
      dest.setData({'url': linkEl.get('href'), '__theme_once': 'iframe'}, true);
      linkEl.set('href', dest.toString());
    }.pbind(this));
  }
});

var externalLinkController = null;
window.addEvent('domready', function() {
  externalLinkController = new ExternalLinkController();
});