var loader = function(){
  var buttonList = new Element('ul', {'id':'buttons'});
  var buttonItems = [];
  for(var i =0; i<5; i++){
    buttonItems[i] = new Element('li');
    buttonItems[i].setText(i+1);
  }
  buttonList.adopt(buttonItems);
  buttonList.injectInside($('slide-box'));
  slidingtabs = new AutoSlidingTabs('buttons', 'slideHolder', {'delay':1.5});
  roundcorners($('newsletter'));
  roundcorners($('slide-box'));
  roundcorners($('bigbox'));
}
window.addEvent('load', loader);