Hooking initializeRequest to Event Handler

Listing 1. Hook the initializeRequest event to an event handler.

Sys.Application.add_init(Init);
var prm = null;

function Init(sender)
{
   prm = Sys.WebForms.PageRequestManager.getInstance();
   if (prm)
   {
      if (!prm.get_isInAsyncPostBack())
      {
          prm.add_initializeRequest(InitRequest);
      }
   }
}