How to track the event , selector top mouse events?

Hi,

I want know how to track the events of selector top.
I am able to set the text in the selector top

obj.setTopText("Search");
obj.setTopLink("http://www.google.com");
obj.setTopSelectorTemplate(new AW.Templates.Link);

But how to make a event triger to select all the rows on
clicking at the text.

Thank you,
Mani selvam

http://www.activewidgets.com/aw.ui.grid/selector-mouse-events.html