AJAX

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window.addEventListener("load", checkAuth, false);
window.addEventListener("load", reloadTags, false);
var actual_uname = "";
<strong>var base_url = 'http://192.168.0.11/linked/'; /* your drupal base path */</strong>
var auth_request = createXMLHttpRequest();if (!auth_request) {
     alert('Cannot create XMLHTTP instance. Appz will not work ...');
}
var tags_request = createXMLHttpRequest();
var post_request = createXMLHttpRequest();interval_auth = window.setInterval(function() { checkAuth(); }, 57000);
interval_tags = window.setInterval(function() { reloadTags(); }, 25000);
function createXMLHttpRequest() {
   try { return new XMLHttpRequest(); } catch(e) {}
   try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {}   try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
   alert("XMLHttpRequest not supported");
   return null;
}
function doLogin() {        var uname=document.getElementById('loginname');
        var pwd=document.getElementById('loginpwd');
}
function postData() {
        var url=document.getElementById('urllocation');        var site=document.getElementById('urltitle');
        var tags=document.getElementById('usertags');
        /*var share=document.getElementById('shared');*/
        parameters = "url="+ encodeURI( url.value ) +
                     "&title=" + encodeURI( site.value ) +                     "&uname=" + actual_uname + "&tags=" + tags.value;
        /* + "&share=" + share.value + "&tags=" +tags.value;*/
        //Send the proper header information along with the request
        // normal HTTP post ..
        // let user wait until posted .. progress meter ..        url = base_url + 'postdata.php?';
        window.location = url + parameters;
/*      url = base_url + 'postdata.php';
    post_request.onreadystatechange = checkResponse;
        post_request.open('POST', url, true);        post_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
        post_request.setRequestHeader("Content-length", parameters.length);
        post_request.setRequestHeader("Connection", "close");
    post_request.send(parameters);*/
}function reloadTags() {
        parameters = "";
        url = base_url + 'tagdata.php';
    tags_request.onreadystatechange = refreshTags;
    tags_request.open('GET', url + parameters, true);    tags_request.send(null);
}
function checkAuth() {
        parameters = "";
        url = base_url + 'checkauth.php';    auth_request.onreadystatechange = setUname;
    auth_request.open('GET', url + parameters, true);
    auth_request.send(null);
}
function refreshTags() {        if (tags_request.readyState != 4)  { return; }
    if (tags_request.readyState == 4) {
       if (tags_request.status == 200) {
              var aBox = document.getElementById("dyntags");
          var xmldoc = tags_request.responseXML;          var markers = xmldoc.getElementsByTagName('tag');
           for (var i = 0; i < markers.length; i++) {
                           var title = markers[i].getAttribute("title");
                           if (document.getElementById(title)) {aBox.removeChild(document.getElementById(title));}
                           var label = document.createElement("label");                           label.setAttribute("value",title);
                           label.setAttribute("id",title);
                           aBox.appendChild(label);
                  }
           }        }
}
function setUname() {
        if (auth_request.readyState != 4)  { return; }
    if (auth_request.readyState == 4) {       var serverResponse = auth_request.responseText;
       if (auth_request.status == 200) {
              var aBox = document.getElementById("uname");
              var bBox = document.getElementById("srvresponse");
          var xmldoc = auth_request.responseXML;          var markers = xmldoc.getElementsByTagName('response');
           for (var i = 0; i < markers.length; i++) {
                           var title = markers[i].getAttribute("title");
                           actual_uname = title;
                           aBox.value = title;                           if (actual_uname != 0) {
                                   bBox.value = "Authenticated.";
                           } else {
                                   bBox.value = "Please login first .. add bug here";
                           }                  }
           }
        }
}
function checkResponse() {        if (auth_request.readyState != 4)  { return; }
    if (auth_request.readyState == 4) {
       var serverResponse = auth_request.responseText;
       if (auth_request.status == 200) {
              var aBox = document.getElementById("srvresponse");          var xmldoc = auth_request.responseXML;
          var markers = xmldoc.getElementsByTagName('response');
           for (var i = 0; i < markers.length; i++) {
                           var title = markers[i].getAttribute("title");
                           aBox.value = title;                  }
           }
        }
}
function aboutme() {        var url=document.getElementById('urllocation');
        url.value = window.content.document.location;
        var site=document.getElementById('urltitle');
        site.value = window.content.document.title;
        var win = window.open("chrome://fabforge/content/about.xul", "aboutMyExtension", "chrome,centerscreen");}
function tagthis() {
        var url=document.getElementById('urllocation');
        url.value = window.content.document.location;
        var site=document.getElementById('urltitle');        site.value = window.content.document.title;
        /*var win = window.open("chrome://fabforge/content/post.xul", "aboutMyExtension", "chrome,centerscreen");
        win.document.getElementById('urllocation').value = window.content.document.location;*/
        <a href="/de/freelinking/OpenWindow" class="freelinking">OpenWindow</a>();
}// Called once when the dialog displays
function onLoad() {
  window.sizeToContent();
  // Use the arguments passed to us by the caller
  document.getElementById("urllocation").value = window.arguments[0].inn.name;  document.getElementById("urltitle").value = window.arguments[0].inn.site;
}
function <a href="/de/freelinking/OpenWindow" class="freelinking">OpenWindow</a>()
{
  var url=document.getElementById('urllocation');  var site=document.getElementById('urltitle');
  var params = {inn:{name:url.value,site:site.value}, out:null}; 
  window.openDialog("chrome://fabforge/content/post.xul", "","chrome, dialog, modal, resizable=yes", params).focus();
  if (params.out) {
    // User clicked ok. Process changed arguments; e.g. write them to disk or whatever  }
  else {
    // User clicked cancel. Typically, nothing is done here.
  }
};function doSave(){
  /*onOK();*/
  postData();
  //doSomething()
  return true;}
// Called once if and only if the user clicks OK
function onOK() {
   // Return the changed arguments.
   // Notice if user clicks cancel, window.arguments[0].out remains null   // because this function is never called
   window.arguments[0].out = {name:document.getElementById("name").value};
   window.arguments[1].out = {site:document.getElementById("site").value};
   /*return true;*/
}function doCancel(){
    return true;
}