function switchlang(l){
  var newlk = DcLoc.location.pathname;
  if (newlk.indexOf(".jsp") < 0) {
    if (l == 'fr') newlk = "http://www.atlas-oiseaux.qc.ca/index_fr.jsp";
    else if (l == 'en') newlk = "http://www.atlas-oiseaux.qc.ca/index_en.jsp"
  }
  if (newlk.indexOf("/donneesqc/") < 0) {
    if (l == 'fr') newlk = newlk.replace('_en.jsp','_fr.jsp');
    else if (l == 'en') newlk = newlk.replace('_fr.jsp','_en.jsp');
  } else if (newlk.indexOf("lang=") < 0) {
    if (newlk.indexOf("?") < 0) newlk = newlk + '?lang=' + l;
    else newlk = newlk + '&lang=' + l;
  } else {
    if (l == 'fr') newlk = newlk.replace('lang=en','lang=fr');
    else if (l == 'en') newlk = newlk.replace('lang=fr','lang=en');
  }
  DcLoc.location.href= newlk;
}