var bp_base_url = 'http://airfares.sentienttechnology.com/sitetrack.aspx?';
var bp_title = '' + document.title;
var bp_ref = '' + document.referrer;
var bp_page = '' + document.location;
var bp_sid;
var bp_sessid;

bp_title = bp_title.substring(0,256);
bp_ref = bp_ref.substring(0,512);

bp_title = escape(bp_title);
bp_ref = escape(bp_ref);
bp_page = escape(bp_page);

if (bp_sid)
{
  bp_sessid = generateGuid();
    
  var track_url = bp_base_url + 'sid=' + bp_sid + '&pag=' + bp_page + '&ref=' + bp_ref + '&pti=' + bp_title + '&sessid=' + bp_sessid;

  imgResponse = new Image();
  imgResponse.src = track_url; 

};

function generateGuid()
{
  var result, i, j, buf;
  result = '';
  
  for(j=0; j<32; j++)
  {
  if(j == 8 || j == 12 || j == 16 || j == 20) result = result + '-';
  buf = Math.floor(((Math.random()*16)+Math.random()*16) / 2);
  i = buf.toString(16).toUpperCase();
  result = result + i;
  };
    
  return result
};