var action,valuehl;

function OnSubmitForm(lang,domain,extension)
{

  if(document.pressed == "Google")
  {
  input = document.getElementById("searchinput");
  input.setAttribute("name", "q");

    if (extension == "search")
    document.searchform.target ="_blank";
    else
    document.searchform.target ="_top";

  action= "http://www.google."+domain+"/"+extension;
  document.searchform.action = action;
  }
  else
  {
    if(document.pressed == "Wikipedia")
    {
    input = document.getElementById("searchinput");
    input.setAttribute("name", "search");
    input = document.getElementById("searchwiki");
    input.setAttribute("value", "Rechercher");

// on recupére la valeur du champ hl
    input = document.getElementById("hl");
    valuehl= input.getAttribute("value");

// masquer les champs google
    input = document.getElementById("hl");
    input.setAttribute("value", "");

   
    document.searchform.target ="_blank";
    action = "http://"+lang+".wikipedia.org/wiki/Special:Recherche?";
    document.searchform.action = action;

// restore valeur bouton Wikipedia
    setTimeout("RestoreButton()",100);
    }
  }
  return true;
}

function RestoreButton()
{
// restore valeur bouton Wikipedia
input = document.getElementById("searchwiki");
input.setAttribute("value","Wikipedia");

// restore boutons google 
input = document.getElementById("hl");
input.setAttribute("value", valuehl);

}