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    <p>I'm assuming you want less of a "rating" system (as mentioned in the other answers) and more of a "add this to favorites" system?</p> <p>Something like this should get you started in the right direction. Others, feel free to chime in with other best-practices if you have them.</p> <h2>foo.html</h2> <pre><code>&lt;html&gt; &lt;head&gt; &lt;script src="jquery.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script src="jquery.make_favorite.js" type="text/javascript"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; $(document).ready(function(){ $('.favorite').make_favorite(); }); &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;a href="#article-15" class="favorite"&gt; &lt;img src="star.gif" alt="Make it a favorite!" /&gt; &lt;/a&gt; &lt;a href="#image-12" class="favorite"&gt; &lt;img src="star.gif" alt="Make it a favorite!" /&gt; &lt;/a&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <h2>jquery.make_favorite.js</h2> <pre><code>(function($){ $.fn.make_favorite = function(){ var callback = function(response){ console.log(response); }; return this.each(function(){ $(this).click(function(){ var params = { item_type: $(this).attr('href').match(/\w+/)[0], // 'article' item_id: $(this).attr('href').match(/\d+/)[0] // 15 }; $.post('/favorite.php', params, callback, 'json'); // stop event propagation return false; }); }); }; })(jQuery); </code></pre> <h2>favorite.php</h2> <pre><code>&lt;?php // make_favorite function function make_favorite($item_type, $item_id){ return mysql_query( sprintf("insert into favorites (user_id, item_type, item_id) values (%d, '%s', %d);", $_SESSION['user_id'], $item_type, $item_id) ); } // set header header('Content-type: application/json'); // ensure to cleanse these inputs $item_type = $_POST['item_type']; $item_id = $_POST['item_id']; if(make_favorite($item_type, $item_id)){ $response = array('ok' =&gt; true, 'message' =&gt; 'Huzza!'); } else { $response = array('ok' =&gt; false, 'message' =&gt; mysql_error()); } // the magic? echo json_encode($response); ?&gt; </code></pre>
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    1. POjQuery: Gmail Star?
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    1. CONice but there's no code for displaying the shiny star on favorite items.
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    2. CO@Alexandre Jasmin, I did overlook that. Shouldn't be too tough to add in though :)
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