var httpReq;
function joinMailingList() {
	var postinfo = 'function=profilerformsubmit';
	postinfo += '&first_name=' + encodeURI(document.getElementById('ml-name').value);
	postinfo += '&email=' + encodeURI(document.getElementById('ml-email').value);
	postinfo += '&opted_in=1';
	if(window.location.href.indexOf('_preview') >= 0)
		sendPost('_preview.aspx?pageid=1616', postinfo);
	else
		sendPost('default.aspx?pageid=1616', postinfo);
}

  function sendPost(url, parameters) {
      httpReq = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         httpReq = new XMLHttpRequest();
         if (httpReq.overrideMimeType) {
            httpReq.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            httpReq = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               httpReq = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!httpReq) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      
      httpReq.onreadystatechange = handleStateChange;
      httpReq.open('POST', url, true);
      httpReq.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      httpReq.setRequestHeader("Content-length", parameters.length);
      httpReq.setRequestHeader("Connection", "close");
      httpReq.send(parameters);
   }
   
   function handleStateChange() {
      if (httpReq.readyState == 4) {
         if (httpReq.status == 200) {
            document.getElementById('login-fieldset').innerHTML = httpReq.responseText;            
         } else {
            alert('There was a problem with the request.');
         }
      }
   }