Checkbox tree implementation - get selected checkboxes

I need to implement a Checkbox tree and I came across this component called jstree. It is a jQuery component and unfortunately I have no experience with Jquery. I followed the documentation and I have implemented my checkbox tree. The problem is with finding the selecte开发者_StackOverflowd checkboxes upon some event,say form submit. The API says,.get_checked ( context ), .get_unchecked ( context ).

But I am not sure on how to use this. In the sense, whichobj.getChecked()? And what is the context here? Can someone care to throw some light on this by giving an example ?

Also,is there any other non-jquery components for this?

Thanks!!

Re: any non-jquery components for this--

Yes, use the YUI Treeview with checkboxes

YUI is industrial strength (it's used on the Yahoo products), well documented, open source and a supportive community.