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

function verifPseudo(login)
     {
     if(login != '')
               {
               if(login.length<4)
 							writediv('<span style="color:#FF0066;font-family:Arial, Helvetica, sans-serif;font-size:11px";><b>'+login+' :</b> Ce login est trop court</span>');
               else if(login.length>=15)
                         writediv('<span style="color:#FF0066;font-family:Arial, Helvetica, sans-serif;font-size:11px"><b>'+login+' :</b> Ce login est trop long</span>');
			   else if(texte = file('http://www.mytravail.com/verifpseudo.php?login='+escape(login)))			  
                         {
          if(texte ==1)
               writediv('<span style="color:#FF0066;font-family:Arial, Helvetica, sans-serif;font-size:11px"><b>'+login+' :</b> Ce login est deja pris</span>');
          else if(texte ==2)
               writediv('<span style="color:#1A7917;font-family:Arial, Helvetica, sans-serif;font-size:11px"><b>'+login+' :</b> Ok: ce login est libre</span>');
          else
               writediv('');
                         }
               }

     }

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);
     }