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copied!<p>Look into <a href="http://jqueryui.com/dialog/#modal-confirmation" rel="nofollow">jQuery UI's modal</a> and sessionStorage.</p> <p>Here is an example of what you might look for:</p> <pre><code>function showHelpModal() { // Open the dialog and reset the timer $('#mymodal').dialog('open'); timeoutStarted = false; } var t; // Timeout variable var timeout = 1500; // Timeout in milliseconds var fakeSessionStorage = {}; // The fake sessionStorage, don't use this in your real code $(document).ready(function() { // Initialize the dialog $('#mymodal').dialog( { autoOpen: false, height: 500, width: 500, modal: true, buttons: { "Don't remind me": function() { fakeSessionStorage.stopReminding = true; $(this).dialog('close'); }, "Yes, please": function() { $(this).dialog('close'); } } }); // Set default reminder value if(!fakeSessionStorage.stopReminding) fakeSessionStorage.stopReminding = false; // On scroll... $(document).scroll(function() { // If the user doesn't want to be reminded, return false if(fakeSessionStorage.stopReminding) { console.log("Will not remind again"); return false; } // Start the timer and prevent it from firing while busy timeoutStarted = true; clearTimeout(t); t = setTimeout(showHelpModal, timeout); }); }); </code></pre> <p>And a working example at <a href="http://jsfiddle.net/3ev8h/2/" rel="nofollow">JSfiddle</a></p> <p>Please mind you that sessionStorage doesn't work on JSfiddle, so I used a object called <code>fakeSessionStorage</code> to cover for that.</p> <p>Also, sessionStorage doesn't work in Internet Explorer 7 or earlier.</p> <p><strong>[edit]</strong><br> I had the wrong fiddle linked, fixed that.</p> <p><strong>[edit 2]</strong><br> Having the <code>timeoutStarted</code> variable there was apparently the problem. I thought it was a neccessary thing but it was doing more bad than good.</p>

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