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

function myFile(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);
     }


function ajaxCheckPseudo(pseudo)
{

	if(pseudo != '')
               {
               if(pseudo.length < 5)
                         writediv('<span style="color:#cc0000;font-size:10px;"><b>'+pseudo+' :</b> ce pseudo est trop court</span>');
               else if(pseudo.length>12)
                         writediv('<span style="color:#cc0000;font-size:10px;"><b>'+pseudo+' :</b> ce pseudo est trop long</span>');
               else if(texte = myFile('http://bf.lovea2.com/ajax/ajaxcheckpseudo.php?pseudo='+escape(pseudo)))
                         {
          if(texte == 1)
               writediv('<span style="color:#cc0000;font-size:10px;"><b>'+pseudo+' :</b> ce pseudo est déja pris</span>');
          else if(texte == 2)
               writediv('<span style="color:#1A7917;font-size:10px;"><b>'+pseudo+' :</b> ce pseudo est libre</span>');
          else
               writediv('');
                         }
               }
}