Limit jQuery to each table, possible?

Hi,

I use the following jQuery to change tr background color when clicking table rows (radio input).
The problem is, I have quite a few tables containing different type of data. User click a row which is then selected and marked (background change).

Is it possible to make jQuery limited by table/div name, id or class?
Background color (active) is reset when I click a row in another table.

Current:

$(document).ready(function() {
	$('input[type=radio]').change(function(){
		$('tr.active').removeClass('active');
		$(this).parents('tr').addClass('active');
	});
});

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Maybe something like this (probably not valid):

$(document).ready(function() {
	$('#divID.input[type=radio]').change(function(){
		$('tr.active').removeClass('active');
		$(this).parents('tr').addClass('active');
	});
});

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