anchor.diff:  <BODY>
   
   <!-- nci hdr begins -->
  -<table width="100%" border="0" cellspacing="0" cellpadding="0" class="hdrBG">
  +<table width="100%" border="0" cellspacing="0" cellpadding="0" class="hdrBG" summary="layout">
     <tr>
       <td width="283" height="37" align="left">
       <a href="http://www.cancer.gov"><img alt="National Cancer Institute" src="images/logotype.gif" width="283" height="37" border="0"/></a>
  
positive.code: <hr>
  
  <!-- footer begins -->
  <table width="100%" border="0" cellspacing="0" cellpadding="0" class="ftrTable">
    <tr>
      <td valign="top">
        <div align="center">
  
negative.code: 
  <br>
  <form method="POST" action="IndexService">
  <table width="100%" summary="layout">
  	<tr valign="top" align="center">
  		<td>
   			<img src="images/largesearchlogo.png" name="caCORE Search API" border="0" align="middle" ALT="large freestyle search logo">
  