window.onload = function() {
/*
  $$('.mn_gch').each(function (el) {    
    el.observe('mouseover', function(ev){
      el.setStyle({backgroundColor:'#de3603'});
      el.select('a')[0].setStyle({color:'#fff'});
    });
    el.observe('mouseout', function(ev){
      el.setStyle({backgroundColor:'transparent'});
      el.select('a')[0].setStyle({color:'#666'});
    });
  });
*/
}