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hyperlink - How do I dynamically enable/disable links with jQuery?

I have some links displayed on a page. I would like to enable/disable them based on other events on the page. Is there a way to do this with jQuery?

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$('selector_for_links_to_disable').bind('click', function(e){
        e.preventDefault();
})

and for enabling:

$('selector_for_links_to_enable').unbind('click')

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