var fade = document.getElementById('fade');
var pop = document.getElementById('pop');

function popSubmit(f) {
      readURL('/ajax.php', 'name=' + encodeURIComponent(f.name.value) + '&email=' + encodeURIComponent(f.email.value), 'POST', 'popAnswer');
      return false;
}

function popShow(e) {
      fade.style.display = e ? 'block' : 'none';
      pop.style.display = e ? 'block' : 'none';
}

function popThanks() {
      document.getElementById('popText').innerHTML = '<br><br><br><center><h1>' + paldies + '</h1></center>';
}

readURL = function(url, params, method, obj) {
      http = null;
      if(window.XMLHttpRequest) {// code for Firefox, Mozilla, IE7, etc.
            http=new XMLHttpRequest();
      } else if (window.ActiveXObject) {// code for IE6, IE5
            http=new ActiveXObject("Microsoft.XMLHTTP");
      }
      
      http.abort();
      http.onreadystatechange = function() {
            if(http.readyState == 4 && http.status == 200) {
                  
                  var _text = http.responseText;
                  if(_text == 'ok') {
                        popThanks();
                  } else {
                        if(obj != null) document.getElementById(obj).innerHTML = _text;
                  } 
                  http.onreadystatechange = null;
            }
      }
      
      if(method == 'POST') {
            http.open("POST", url, true);
            http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
            http.setRequestHeader("Content-length", params.length);
            http.setRequestHeader("Connection", "close");
            http.send(params);
      } else {
            http.open("GET", url + '?' + params, true);
            http.send(null);
      }
}