function loaded()
{
  var div = document.getElementById('right_entete');
  if(div.addEventListener)
  {
    div.addEventListener('mouseover',survol, false);
    div.addEventListener('mouseout',desurvol, false);
  }
  else
  {
    div.attachEvent('onmouseover',survol);
    div.attachEvent('onmouseout',desurvol);
  }
}

function survol()
{
  document.body.style.cursor = 'pointer';
}
function desurvol()
{
  document.body.style.cursor = 'default';
}
if(window.addEventListener) window.addEventListener('load', loaded, false);
else window.attachEvent('onload',loaded);