function recherche(form)
{
  var nb = form.rechMots.options.length;
  var chaine = "";
  var mot;
  var etOu = " ";
  if(form.choixEtOu[1].checked)
    etOu= " OR ";
  for(i=0; i<nb; i++)
  {
    if(form.rechMots.options[i].selected)
    {
      if(chaine.length>0) chaine = chaine + etOu; 
      mot = new String(form.rechMots.options[i].text);
	  if(mot.indexOf(" ") >=0 ) mot = "\"" + mot + "\"";
	  chaine = chaine + mot;
    }
  }
  chaine = "/ofdtdev/live/index.html?lenya.usecase=search&language=fr&query="+chaine+"&find=Search";
  document.location=chaine;
}