var source;
var size;
var d;
var gB;

gB = true;

var MS = navigator.appVersion.indexOf("MSIE");
var isIE4 = (MS > 0) && (parseInt(navigator.appVersion.substring(MS +5 , MS + 6 )) >= 4);

if (!isIE4) {
  if (navigator.appName == "Netscape") 
  {
    var isNS4 = (parseInt(navigator.appVersion.substring(0,1)) >= 4);
  }
}

if ((!isIE4) && (!isNS4) )
  gB=false;

source='/StoreMetrics';

if(gB) {
  size = screen.width + "X" + screen.height;
  d = document;
  var ref = escape(d.referrer)
  if (ref.length == 0) ref ="na"
}

function prFrame(idx,doc) {
  if (gB) {
    doc.write("<img src=\"" + source + "?Pixels=" + size + "&Idx=" + idx + "&Ref=" + ref + "\"" + "height=1 width=1>");
  } 
  else {
    doc.writeln("<img src=\"" + source + "?Pixels=na&Ref=na" + "&Idx=" + idx +"\"" + "height=1 width=1>" );
  }
}