Closing lightbox permanently for a user on close button click
<p>I am using a jquery plugin ( lightbox) on my asp.net page(http://www.ericmmartin.com/projects/simplemodal/#demo). This lightbox loads a page using Iframe in this lightbox. this lightbox has an image for closing popup.</p>

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<p>I want that when user clicks this image and loads page again then this pop up doesn't appear. Right now popup appears on each time user hits F5. I  guess I need to use cookies with JS/Jquery but not exactly sure.</p>
