Saving Jquery to database - web service

If you look at the related question,,,,i need to save firstname, last name to the databse. JQuery is being used. My coworker gave me the solution below but I dont know how to pass the Javascript array to the webservice...

This is the JQuery http://jsfiddle.net/mplungjan/zHQ2d/

His solution is below:

… you should just use an AJAX POST.

I would create a lite Person Object in javascript and match up the definitions with the server side – like this:
[ScriptService]
public class PersonService : WebService
{
  [WebMethod]
  public void SavePerson(Person PersonToSave)
  {
    // (assuming Person has a Save() method).
    PersonToSave.Save();
  }
}

You’d pass in an array of Person in the example above

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