{
function getCpiFromUrlPath (path, cpiName)
{
  var segments = path.split("-");
  var lastSegment = segments[segments.length - 1];
  var fileNameEnd = lastSegment.indexOf(".");
  if (fileNameEnd > 0)
    return unescape(lastSegment.substring(0, fileNameEnd));
  return "";
}


function getCpiFromQueryParameterValue (query, cpiName)
{
  var lcCpiName = cpiName.toLowerCase();
  var params = query.split("&");
  for (var i=0; i < params.length; ++i)
  {
    var pair = params[i].split("=");
    if (typeof(pair[0]) != typeof(undefined) &&
        (unescape(pair[0])).toLowerCase() == lcCpiName   &&
        typeof(pair[1]) != typeof(undefined))
    return unescape(pair[1]);
  }
  return "";
}


function getCpi (containerUrl, cpiName)
{
  var urlParts = containerUrl.split("?");

  var cpi = "";

  if (typeof(urlParts[1]) != typeof(undefined))
    cpi = getCpiFromQueryParameterValue(urlParts[1], cpiName);

  if (cpi == "")
    cpi = getCpiFromUrlPath(urlParts[0], cpiName);

  return cpi;
}
var cpi = getCpi(location.href, "productId");
if (cpi.length == 0)
  cpi = "unknown";
document.write('<script src="http://content.webcollage.net/_sites/radioshack/smart-button/index.jsp?productId=' + escape(cpi) + '&wccgsite=radioshack&wccgfunc=smart-button"><\/script>');
}