title: ;Jquery: animate page down 100px from current screen position
body: <p>I need to animate a scroll from the current screen position, down a set number of pixels.</p>
  
  <pre><code>    $('html,body').animate({
          scrollTop: $(window).position().top += 100
      });
  </code></pre>
  
  <p>or?</p>
  
  <pre><code>    $('html,body').animate({
          scrollTop: '+=100px'
      });
  </code></pre>