function writediv(texte)
     {
     document.getElementById('pseudobox').innerHTML = texte;
     }

function verifPseudo(nom_poke)
     {
     if(nom_poke != '')
               {
               if(nom_poke.length<2)
                         document.getElementById('pseudobox').style.visibility ="hidden";
               else if(nom_poke.length>30)
                        document.getElementById('pseudobox').style.visibility ="hidden";
               else if(texte = file('verifpseudo.php?nom_poke='+escape(nom_poke)))
                         {
          if(texte == 1)
               document.getElementById('pseudobox').style.visibility ="hidden";
          else if(texte == 2)
               document.getElementById('pseudobox').style.visibility ="visible";
          else
               writediv(texte);
                         }
               }

     }

function file(fichier)
     {
     if(window.XMLHttpRequest) // FIREFOX
          xhr_object = new XMLHttpRequest();
     else if(window.ActiveXObject) // IE
          xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
     else
          return(false);
     xhr_object.open("GET", fichier, false);
     xhr_object.send(null);
     if(xhr_object.readyState == 4) return(xhr_object.responseText);
     else return(false);
     }