http://blogs.msdn.com/irenak/archive/2007/04/25/sysk-336-three-ways-to-extend-a-existing-javascript-type.aspxSince I haven’t seen a clear and a relatively concise explanation on this topic, I decided to create this blog post… If you want to add a function (i.e. extend) to an existing type, there are three ways that I know of to accomplish this. For example,en-USCommunityServer 2.1 SP1 (Build: 61025.2)