title: javascript/firebug skipping lines of code
body: <p>Here's part of my code:</p>
  
  <pre><code>1  if (document.forms[0]["displayAddress"].value == "true") {
  2    if (document.forms[0]["addressPresent"].value == "") {
  3      $("#addressDiv").show();
  4      document.forms[0]["addressPresent"].value = "true";
  5    }
  6  }
  </code></pre>
  
  <p>Why would firebug skip over line 3? - in dubug mode it doesnt even highlight that row, just skips to the next.</p>
  
  <p>edit: to clarify, line 2 evaluates to true and the debugger goes straight to line 4 without executing line 3. I have tried a forced refresh.  </p>
  
  <p>update: the first time the page loads this JS works, after the page is reloaded again I get this problem</p>