Sharepoint User Profile System javascript query

<font size = "3">
<script type="text/javascript" id="welcomeheader" src="syndication.js">
</script>
</font>

<font size = "4">
<script type="text/javascript" id="linksheader" src="syndication.js">
</script>
</font>

<font size = "2">
<script type="text/javascript" id="links" src="syndication.js">
</script>
</font>



<script type="text/javascript">

 ExecuteOrDelayUntilScriptLoaded(getWebUserData, "sp.js");

 var context = null;
 var web = null;
 var currentUser = null;


 function getWebUserData() {
   context = new SP.ClientContext.get_current();
   web = context.get_web();
   currentUser = web.get_currentUser();
   currentUser.retrieve();
   context.load(web);
   context.executeQueryAsync(Function.createDelegate(this, this.onSuccessMethod));
 }


 function onSuccessMethod(sender, args) {
   var loginName = web.get_currentUser().get_loginName();
   GetUserPropertyByAccountName(loginName, "department");
   Name = web.get_currentUser().get_title();

   //welcomeheader
   var welcomeheader = document.createElement('b');
   welcomeheader.id = 'syndicated-content';
   welcomeheader.appendChild(document.createTextNode('Welcome to the parent portal of '+Name+'.'));
   var scrwelcomeheader = document.getElementById('welcomeheader');
   scrwelcomeheader.parentNode.insertBefore(welcomeheader, scrwelcomeheader);


 }



function GetUserPropertyByAccountName(accountName, propertyName) {

 // Variables
 var xmlHttpReq = null;

 // Mozilla/Safari
 if (window.XMLHttpRequest) {
  xmlHttpReq = new XMLHttpRequest();
 }

 // IE
 else if (window.ActiveXObject) {
 xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
 }

 if (xmlHttpReq) {
  xmlHttpReq.open('POST', 'http://sharepoint.contoso.local/_vti_bin/UserProfileService.asmx', true);

  //Set the Headers
  xmlHttpReq.setRequestHeader('Content-Type', 'text/xml');
  xmlHttpReq.setRequestHeader('SOAPAction', 'http://microsoft.com/webservices/SharePointPortalServer/UserProfileService/GetUserPropertyByAccountName');

  //get the XML Request string
  xmlHttpReq.send('<?xml version="1.0" encoding="utf-8"?>'
+ '<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">'
+ '<soap:Body>'
+ ' <GetUserPropertyByAccountName xmlns="http://microsoft.com/webservices/SharePointPortalServer/UserProfileService">'
+ '  <accountName>' + accountName + '</accountName>'
+ '  <propertyName>' + propertyName + '</propertyName>'
+ ' </GetUserPropertyByAccountName>'
+ ' </soap:Body>'
+ '</soap:Envelope>');

  //When the response is available, update the response text
  xmlHttpReq.onreadystatechange = function () {
   if (xmlHttpReq.readyState == 4) {
    if (xmlHttpReq.status == 200) {
      // alert(xmlHttpReq.responseText);

      //chop up string
      var responsestuid = xmlHttpReq.responseText;

	  if (isNaN(responsestuid)) {

	    alert('uh oh');

	  } else {

      var loginName = web.get_currentUser().get_loginName();


      //HTML output Links header
      var linksheader = document.createElement("b");
      linksheader.id = 'syndicated-content';

      linksheader.appendChild(document.createElement('br'));
      linksheader.appendChild(document.createElement('br'));
      linksheader.appendChild(document.createTextNode("Links"));

      var scrlinkshead = document.getElementById('linksheader');
      scrlinkshead.parentNode.insertBefore(linksheader, scrlinkshead);



      //HTML output links
      var links = document.createElement('p');
      links.id = 'syndicated-content';

      var myLink1 = document.createElement('a');
      var myLink1url = 'http://contoso.local/parentportal/'+responsestuid+'/reports/';
      myLink1.setAttribute('href',myLink1url);
      myLink1.innerText="Reports";
	  myLink1.textContent="Reports";

      var myLink2 = document.createElement('a');
      var myLink2url = 'http://contoso.local/parentportal/'+responsestuid+'/work/';
      myLink2.setAttribute('href',myLink2url);
      myLink2.innerText="School Work";
	  myLink2.textContent="School Work";

      links.appendChild(myLink1);
      links.appendChild(document.createElement('br'));
      links.appendChild(myLink2);
      links.appendChild(document.createElement('br'));

      var scrlinks = document.getElementById('links');
      scrlinks.parentNode.insertBefore(links, scrlinks);
	}

    }
   }
  }

 }
}


</script>