// <source lang="javascript">
/*
 * Insère des liens Bienvenue sur la page Special:Log/newusers
 *
 * auteur : [[:fr:TiChou]]
 * date : 6 juin 2007
 */
if (wgPageName == 'Special:Log' 
  && (/^\/wiki\/Special:Log\/newusers\b/.test(location.pathname)
  || /^\?.*\btype=newusers\b/.test(location.search))) {

  // getElementsByClassName
  if (!document.getElementsByClassName) {
    document.getElementsByClassName = function() {
      var nodes;
      var elements = new Array();
      elements.item = function(index) { return elements[index]; }

      if (this.getElementsByTagNameNS)
        nodes = this.getElementsByTagNameNS("*", "*");
      else if (this.getElementsByTagName)
        nodes = this.getElementsByTagName("*");
      else
        return null;

      var element;
      var match, regex = new RegExp();

      var i,j;
      var leni = nodes.length;
      var lenj = arguments.length;
      for (i = 0; i < leni; i++) {
        element = nodes[i];
        match = true;
        for (j = 0; j < lenj && match; j++) {
          regex.compile("(^|\\s)" + arguments[j] + "(\\s|$)");
          if (!regex.test(element.className)) match = false;
        }
        if (match) elements.push(element);
      }
      return elements;
    }
  }

  // getElementById
  if (typeof(getElementById) == "undefined") {
    getElementById = function(id) {
      var element = null;
      if (this.id == id) {
        element = this;
        element.getElementsByClassName = document.getElementsByClassName;
      }
      for (var child = this.firstChild; !element && child; child = child.nextSibling)
        if (child.nodeType == 1) {
          child.getElementById = getElementById;
          element = child.getElementById(id);
        }
      return element;
    }
  }

  // URL encode
  if (typeof(wpURLEncode) == "undefined") {
    wpURLEncode = function(string) {
      if (!string) return "";
      return string.replace(/ /g, "_").replace(/[\x00-\x2C\x3B-\x40\x5B-\x5E\x60\x7B-\uFFFF]/g,
        function (match) {
          var c = match.charCodeAt(0);
          var s = new Array();
          if (c < 0x80) s.push(c);
          else if (c < 0x0800) s.push(c >>  6 | 0xC0, c & 0x3F | 0x80);
          else if (c < 0x010000) s.push(c >> 12 | 0xE0, c >>  6 & 0x3F | 0x80, c & 0x3F | 0x80);
          else if (c < 0x110000) s.push(c >> 18 | 0xF0, c >> 12 & 0x3F | 0x80, c >>  6 & 0x3F | 0x80, c & 0x3F | 0x80);
          for (var i = 0, len = s.length; i < len; i++)
            s[i] = (s[i] < 16 ? "%0" : "%") + s[i].toString(16).toUpperCase();
          return s.join("");
        });
    }
  }

  // HTTP
  if (typeof(httpRequest) == "undefined") {
    httpRequest = function(bundle) {
      // mandatory: bundle.url
      // optional:  bundle.async
      // optional:  bundle.method
      // optional:  bundle.headers
      // optional:  bundle.content
      // optional:  bundle.onSuccess (request, bundle)
      // optional:  bundle.onFailure (request, bundle)
      // optional:  bundle.data
      var request;
      try {
        request = new XMLHttpRequest();
      } catch(e) {
        try {
          request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
          try {
            request = new ActiveXObject("Microsoft.XMLHTTP");
          } catch (e) {
            request = false;
          }
        }
      }

      if (request) {
        request.onreadystatechange = function() {
          if (request.readyState == 4)
            httpComplete(request, bundle);
        };
        request.open(bundle.method ? bundle.method : "GET", bundle.url, bundle.async == false ? false : true);
        if (bundle.headers) {
          for (var field in bundle.headers)
            request.setRequestHeader(field, bundle.headers[field]);
        }
        request.send(bundle.content ? bundle.content : null);
      }
      return request;
    }
  }

  if (typeof(httpComplete) == "undefined") {
    httpComplete = function(request, bundle) {
      if (request.status >= 200 && request.status < 300) {
        if (bundle.onSuccess) {
          var contentType = request.getResponseHeader("Content-Type");
          var regex = new RegExp(/^([^\/]+\/[^;]+).*/);
          contentType = contentType.replace(regex, "$1");
          if (contentType == "text/html") {
            if (navigator.appName == "Microsoft Internet Explorer") {
              var doc = document.createElement("div");
              doc.innerHTML = request.responseText;
              doc.getElementsByClassName = document.getElementsByClassName;
              doc.getElementById = getElementById;
              bundle.onSuccess(doc, bundle.data);
            } else {
              var doc = (new DOMParser()).parseFromString(request.responseText, 'application/xhtml+xml');
              bundle.onSuccess(doc, bundle.data);
            }
          } else if (contentType == "text/xml") {
            var xml = null;
            if (navigator.appName == "Microsoft Internet Explorer") {
              xml = new ActiveXObject("Microsoft.XMLDOM");
              xml.async = false;
              xml.loadXML(request.responseText);
            } else if (window.DOMParser) {
              xml = new DOMParser();
              xml = xml.parseFromString(request.responseText, 'text/xml');
            }
            bundle.onSuccess(xml, bundle.data);
          } else {
            bundle.onSuccess(request, bundle.data);
          }
        }
      } else if (bundle.onFailure) {
        bundle.onFailure(request, bundle.data);
      } else {
        alert(request.statusText);
      }
    }
  }

  function goBienvenue(user) {
    httpRequest({ url: wgServer + wgScriptPath + '/index.php?title=User_Talk:' + user + '&action=edit',
                  onSuccess: postBienvenue,
                  data: { user: user } });
  }

  function postBienvenue(doc, data) {
    var user = data.user;

    var wpTextbox1 = encodeURIComponent('{{subst:' + wpBienvenue.message + '}}~~~~' + doc.getElementById('wpTextbox1').value);

    var inputs = doc.getElementById('editform').getElementsByTagName('input');
    var editform = new Array();
    for (var i = 0, len = inputs.length; i < len; i++) {
      editform[inputs[i].name] = inputs[i].value;
    }
    var wpStarttime = encodeURIComponent(editform['wpStarttime']);
    var wpEdittime = encodeURIComponent(editform['wpEdittime']);
    var wpEditToken = encodeURIComponent(editform['wpEditToken']);

    var wpSummary = encodeURIComponent('Bienvenue !');

    var headers = new Array();
    headers['Content-Type'] = 'application/x-www-form-urlencoded';
    httpRequest({ url: wgServer + wgScriptPath + '/index.php?title=User_Talk:' + user + '&action=submit',
                  method: 'POST',
                  headers: headers,
                  content: 'wpSave=1&wpTextbox1=' + wpTextbox1 + '&wpStarttime=' + wpStarttime + '&wpEdittime=' + wpEdittime
                    + '&wpEditToken=' + wpEditToken + '&wpSummary=' + wpSummary,
                  onSuccess: delBienvenue,
                  data: data });
  }

  function delBienvenue(doc, data) {
    var li = document.getElementById(data.user);
    if (li != null) {
      if (wpBienvenue.cacher) {
        li.parentNode.removeChild(li);
      } else {
        li.getElementsByTagName('a')[1].removeAttribute('class');
        li.removeChild(li.childNodes[6]);
        li.removeChild(li.childNodes[6]);
      }
    }
  }

  function bienvenue() {
    var bodyContent = document.getElementById('bodyContent');
    var lis = bodyContent.getElementsByTagName('li');
    var a,text,user;
    for (var i = lis.length - 1; i >= 0; i--)
      if (lis[i].getElementsByTagName('a')[2].className == 'new'
        || lis[i].getElementsByTagName('a')[0].className != 'new'
        || lis[i].getElementsByTagName('a')[1].className != 'new') {
        if (wpBienvenue.cacher) lis[i].parentNode.removeChild(lis[i])
      } else {
        user = wpURLEncode(lis[i].getElementsByTagName('a')[0].firstChild.nodeValue);
        lis[i].id = user;
        text = document.createTextNode(' | ');
        lis[i].insertBefore(text, lis[i].childNodes[6]);
        a = document.createElement('a');
        a.href = 'javascript: goBienvenue(\'' + user + '\');';
        text = document.createTextNode('Bienvenue');
        a.appendChild(text);
        lis[i].insertBefore(a, lis[i].childNodes[7]);
      }
  }

  if (typeof(wpBienvenue) == "undefined") { var wpBienvenue = { message: "Bienvenue nouveau", cacher: false }; }
  addOnloadHook(bienvenue);
}
// </source>