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<form id="form1" name="form1" method="post" action="a.jsp" >
  <% String myscore = request.getParameter("score");%>
  <table width="950" height="574" border="1">
    <tr>
      <td colspan="2"> <p>
        <label>score
        <select name="score">
        <option value="20"  <%= null != myscore && myscore.equals("20") ? " selected" :"" %>>
20 </option>
        <option value="30" <%=null != myscore&& myscore.equals("30")?"selected":""%>>
30 </option> 
<option value="40" <%=null != myscore &&myscore.equals("40")?"selected":""%>>
40 </option>
        <option value="50" <%=null != myscore &&myscore.equals("50")?"selected":""%>>
50 </option> 
<option value="60" <%=null != myscore &&myscore.equals("60")?"selected":&