var _wuSite = "";
var _debug = false;
var _wuTrackerPix = "http://tracker.zeroseven.com.au/tracker.aspx";
function wuTrack()
{
    //get referrer
    _wuRef = document.referrer;
    if (!_wuRef || _wuRef=="") { _wuRef = "-"; }
    
    //get browser size
    var _wuWidth = "-";
    var _wuHeight = "-";
    if(self.screen)
    {
        _wuWidth = self.screen.width;
        _wuHeight = self.screen.height;
    }
    
    //place pixel
    var wuPix=new Image(1,1);
    wuPix.src=_wuTrackerPix+"?"+"site="+_wuSite + "&loc=" + wuEnc(document.location) + "&ref=" + wuEnc(_wuRef) + 
        "&wdth=" + _wuWidth + "&hght=" + _wuHeight + "&cb=" + (new Date()).getTime();
    if(_debug)
        alert("wuPix.src: " + wuPix.src);
}

function wuEnc(wuStrToEncode) {
 if (typeof(encodeURIComponent) == 'function') {
  return encodeURIComponent(wuStrToEncode);
 } else {
  return escape(wuStrToEncode);
 }
}