Event.observe(window, 'load', function() 
{
  $$('*.menu_gauche').each(function(e){
    Rico.Corner.round(e, {color:"transparent"});
    //if(!e.style.backgroundPosition) e.style.backgroundPosition= Math.random()*100 + "% " + Math.random()*100 + "%";
  });
  
  $$('*.en_exergue').each(function(e){
    Rico.Corner.round(e,{color:"transparent"});
  });
  
});