var rollovers = new Array(
  new RollOver('navfirm','images/navfirm01.gif','images/navfirm02.gif'),
  new RollOver('navprac','images/navprac01.gif','images/navprac02.gif'),
  new RollOver('navatto','images/navatto01.gif','images/navatto02.gif'),
  new RollOver('navnews','images/navnews01.gif','images/navnews02.gif'),
  new RollOver('navcare','images/navcare01.gif','images/navcare02.gif'),
  new RollOver('navcont','images/navcont01.gif','images/navcont02.gif'),
  new RollOver('navloca','images/navloca01.gif','images/navloca02.gif')
);
window.onload = function(){ RollOver.init(); }