anchor.diff:                  if (freestyleForm.displayOptions.value == "Y")
                       toggleOptions();
               }
  +            function checkEnter()
  +            {
  +                if (window.event.keyCode == 13)
  +                    doSearch();
  +            }
           </script>
       </head>
   
  -<body onload="loaded();">
  +<body onload="loaded();" onkeyup="checkEnter();">
                 <table width="100%" border="0" cellspacing="0" cellpadding="0" bgcolor="#A90101">
                 <tr bgcolor="#A90101">
                 <td valign="center" align="left"><a href="http://www.cancer.gov" target="_blank" alt="NCI Logo">
  
positive.code: <!-- Copyright ScenPro, Inc. 2005
       $Header: /share/content/gforge/freestylesearch/freestylesearch/ui/jsp/freestylesearch.jsp,v 1.4 2006-07-24 14:55:21 hebell Exp $
       $Name: not supported by cvs2svn $
  -->
  <%@ taglib uri="/tags/struts-bean" prefix="bean" %>
  
negative.code:         </tr></table>
          <hr></div>
          <p style="text-align: center"><html:text property="phrase" styleClass="std" style="width: 5in" />&nbsp;&nbsp;
          <html:button property="search" styleClass="but2" onclick="doSearch();">Search</html:button><br/><span id="workingmsg" style="color: #0000ff; font-weight: bold">&nbsp;</span></p><hr/>
          <html:errors />
  <%
      Vector results = (Vector) pageContext.getRequest().getAttribute(FreestyleSearch._results);
  