Events revisited

For our sample document, we will create a simple photo gallery. The gallery will display a set of photos, with an option to display additional photos upon the click of a link. We will also use jQuery's event system to display textual information about each photo when the user's mouse cursor is over it:

<div id="container">
  <h1>Photo Gallery</h1>

  <div id="gallery">
    <div class="photo">
      <img src="photos/skyemonroe.jpg">
      <div class="details">
        <div class="description">The Cuillin Mountains,
          Isle of Skye, Scotland.</div>
        <div class="date">12/24/2000</div>
        <div class="photographer">Alasdair Dougall</div>
      </div>
    </div>
    <div class="photo">
      <img src="photos/dscn1328.jpg">
      <div class="details">
        <div class="description">Mt. Ruapehu in summer</div>
        <div class="date"&gt...