A catalyst precursor for preparing a bulk multi-metallic catalyst upon sulfidation is provided. According to one aspect of the present invention, the URL of a document downloaded via a web browser client is compared to the URLs in a list of URLs for known spoof sites. Pistons reciprocate within the respective cylinder bores. The present invention may be applied when adding the annotation to the content such as a television broadcast program, for example. Optionally, the charge pump is disposed as part of a phase-locked loop, the input signals are produced by a phasefrequency detector, and current flow at the output node controls an oscillator element. A leadframe having a die attach paddle surrounded by lead portions is formed.