function custom_parser( response, records ) {
  var rssDocument=parseXML( response );
  if ( rssDocument!=null ) {
    var enveloppe=rssDocument.documentElement;
    var cube=enveloppe.firstElementChild;

    var DateCurr = new Date();
    var DateStart = new Date();
    var DateEnd = new Date();
    var DailySeconds = 1000*60*60*24;
    var DateDiff;
    var DiffWeeks;
    var DiffDays;
    var DiffSWeeks;
    var DiffSDays;

    while ( cube!=null ) {

      var record = [];
	  for (var c=cube.firstElementChild; c!=null; c = c.nextElementSibling){

		if ( c.localName=="Title")
                        {
			record.title = c.textContent;
                        }
		if ( c.localName=="StartTimeFormatted")
                        {
                        DateStart = new Date();
                        DateStart.setFullYear( c.textContent.split("/")[2] , c.textContent.split("/")[1] - 1 , c.textContent.split("/")[0] );
			record.starttime = c.textContent;
                        }
		if ( c.localName=="EndTimeFormatted")
                        {
                        record.endtime = c.textContent;
                        }
		if ( c.localName=="Room")
                        {
			record.room = c.textContent.split("\\")[0];
                        }


	  }

          if ( DateCurr.getTime() >= DateStart.getTime() )
             {
             record.todayupcoming = "Todays event(s)/meeting(s):";
             records.push( record );
             record = [];
             }

          if ( DateCurr.getTime() < DateStart.getTime() )
             {
             record.todayupcoming = "Upcoming event(s)/meeting(s):";
	     DateDiff = ( DateStart.getTime() - DateCurr.getTime() ) / DailySeconds;
             DiffWeeks = Math.floor( DateDiff / 7 );
             DiffDays = Math.floor( DateDiff % 7 );
             DiffSWeeks = (DiffWeeks==1)?", ":"s, ";
             DiffSDays = (DiffDays==1)?": ":"s: ";
             record.title = "In " + DiffWeeks + " Week" + DiffSWeeks + DiffDays + " day" + DiffSDays + record.title;
             records.push( record );
             record = [];
             }

      cube=cube.nextElementSibling;
    }
  }
}

<?xml version="1.0" encoding="utf-8" ?> 
<Meetings xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
 <MeetingItemEntity>
  <ListId>00000000-0000-0000-0000-000000000000</ListId> 
  <WebId>00000000-0000-0000-0000-000000000000</WebId> 
  <UniqueId>00000000-0000-0000-0000-000000000000</UniqueId> 
  <Id>3182</Id> 
  <Title>Testmeeting for Announcement Screen</Title> 
  <Created>0001-01-01T00:00:00</Created> 
  <LastModified>0001-01-01T00:00:00</LastModified> 
  <StartTimeFormatted>13/7/2011</StartTimeFormatted> 
  <EndTimeFormatted>13/7/2011</EndTimeFormatted> 
  <Room>Media Room</Room> 
 </MeetingItemEntity>
 <MeetingItemEntity>
  <ListId>00000000-0000-0000-0000-000000000000</ListId> 
  <WebId>00000000-0000-0000-0000-000000000000</WebId> 
  <UniqueId>00000000-0000-0000-0000-000000000000</UniqueId> 
  <Id>3132</Id> 
  <Title>Testmeeting 2</Title> 
  <Created>0001-01-01T00:00:00</Created> 
  <LastModified>0001-01-01T00:00:00</LastModified> 
  <StartTimeFormatted>14/7/2011</StartTimeFormatted> 
  <EndTimeFormatted>14/7/2011</EndTimeFormatted> 
  <Room>Conference Room</Room> 
 </MeetingItemEntity>
</Meetings>