title: Clearing a default value in a search box with jQuery
body: <p>Can't seem to achieve this simple functionality! All I want is to clear a default search term in an input box when it is clicked. The following works up to a point but clears any <em>other</em> text entered, I would've thought resetting search_form_text should have solved this:</p>
  
  <pre><code>search_form_text = $('#block-search-0 #edit-search-block-form-l').attr('value');
  
  if (search_form_text == 'Enter search keywords here') {
  
          $('#block-search-0 #edit-search-block-form-l').click(function() {           
              $('#block-search-0 #edit-search-block-form-l').attr('value', '');
              search_form_text = '';
          });
  
      }
  </code></pre>
  
  <p>Hmmmm... :)</p>