/* was the referer Kudzu? */
if ( $core_genius->check( "referer starts with http://www.kudzu/" )) {
  /* show the module */
  return 119; /* module id to return */
}
/* was the referer logged in Angie's List? */
elseif ( $core_genius->check( "referer starts with http://my.angieslist/" )) {
  /* show the module */
  return XXX; /* module id to return */
}
/* was the referer Vertical Search Works? */
elseif ( $core_genius->check( "referer starts with http://www.verticalsearchworks/" )) {
  /* show the module */
  return XXX; /* module id to return */
}
/* was the referer Service Magic? */
elseif ( $core_genius->check( "referer starts with http://www.servicemagic/" )) {
  /* show the module */
  return XXX; /* module id to return */
}
else return XXX;