function writedivnick(texte)
     {
     document.getElementById('verifnick').innerHTML = texte;
     }
	 function verifcaracteres(nick)
     {
	      if(nick != '')
               {
			   if(nick.length<0)
                        writedivnick('<font face="Arial"><span style="font-size:10pt;"><span style="color:#ff0000"><b>'+nick+' :</b> Pseudo trop court</span></font>');
               else if(nick.length>20)
                        writedivnick('<font face="Arial"><span style="font-size:10pt;"><span style="color:#ff0000"><b>'+nick+' :</b> Pseudo trop grand</span></font>');
             else if(lepseudo = file('interdit_caracteres_speciaux.php?pseudo='+escape(nick))) 
			   {
if(lepseudo)
 writedivnick('<font face="Arial"><span style="font-size:10pt;"><span style="color:#1A7917"><b>'+lepseudo+'</b></span></font>');

         
                         }
						 }
						 }


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);
     }














<!--
function na_preload_img()
{ 
  var img_list = na_preload_img.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length-1; i++) {
    document.preloadlist[top+i] = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  } 
}

function na_change_img_src(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

function na_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}

// -->