retain checked status of checkbox

Hi,

Test1.jsp

Code :

<%@page import="java.sql.*"%>    
<%@taglib prefix="c" uri="/WEB-INF/c-rt.tld" %>   
 
<%@page import="java.util.HashMap"%>   
<%@page import="com.web.abc.integration.model.Domain"%>   
<%@page import="com.web.abc.integration.model.Category"%>   
<%@page import="com.web.abc.integration.dao.DomainDAO"%><head>      
 
 </head>    
 <body>   
 <%! HashMap<Integer,Domain>domainmap;   
HashMap<Integer,Category>categorymap;   
DomainDAO bdao;   
Domain d;%>   
 
 
<%   
 bdao=new DomainDAO();   
bdao.getDBAcccess();   
domainmap=bdao.getDomains(2);   
session.setAttribute("domainmap",domainmap);   
 
%>   
  <div id="top1"  style="width:500px;">   
  <form action="test2.jsp">   
<table border="1"> <th>Table Containts</th>    
<c:forEach var="domain" items="${domainmap}">   
<tr><td>   
<input type=checkbox name=selecteddomains value="${domain.value.domainName}">   
<c:out value="${domain.value.domainName}" ></c:out>   
</td></tr>   
</c:forEach>   
 </table>    
 <input type="submit" value=">>">    
 </form>   
</div>   
 
          <div id="top2">   
   <center>   
 
<table border=1 ><th>Total Selected Domains</th>   
 
<c:forEach var="domain" items="${domainlist}">   
 
<tr><td>   
 
<input id="<c:out value="${domain.domainName}"/>" type=checkbox value="${domain.domainName}">   
<c:out value="${domain.domainName}"></c:out>   
</td></tr>   
</c:forEach>   
 
</table>   
</center>   
</div>   
</body>

test2.jsp

Code :

<%@page import="java.sql.*"%>    
<%@taglib prefix="c" uri="/WEB-INF/c-rt.tld" %>   
 
<%@page import="java.util.HashMap"%>   
<%@page import="com.web.abc.integration.model.Domain"%>   
<%@page import="com.web.abc.integration.model.Category"%>   
<%@page import="com.web.abc.integration.dao.DomainDAO"%>   
<%@page import="java.util.ArrayList"%><head>      
 
 </head>    
 <body>   
 <%! HashMap<Integer,Domain>domainmap;   
HashMap<Integer,Category>categorymap;   
DomainDAO bdao;   
Domain d;   
 
ArrayList<Domain>domainlist;   
%>   
 
 
<%   
 bdao=new DomainDAO();   
bdao.getDBAcccess();   
domainmap=bdao.getDomains(2);   
session.setAttribute("domainmap",domainmap);   
 
String domainnames[]=request.getParameterValues("selecteddomains");   
 
domainmap=(HashMap<Integer,Domain>)session.getAttribute("domainmap");   
domainlist=(ArrayList<Domain>)session.getAttribute("domainlist");   
 
if(domainlist==null){   
    domainlist=new ArrayList<Domain>();   
}   
 
DomainDAO dDao=new DomainDAO();   
dDao.setDomainmap(domainmap);   
for(String domainname:domainnames){   
    domainlist.add(dDao.getdomain(domainname));   
//domainlist.remove(dDao.getdomain(domainname));   
 
}   
session.setAttribute("domainlist",domainlist);   
 
%>   
  <div id="top1" >   
  <form action="test2.jsp">   
<table border="1"> <th>Table Containts</th>    
<c:forEach var="domain" items="${domainmap}">   
<tr><td>   
<input type=checkbox name=selecteddomains value="${domain.value.domainName}">   
<c:out value="${domain.value.domainName}" ></c:out>   
</td></tr>   
</c:forEach>   
 </table>    
 <input type="submit" value=">>">    
 </form>   
</div>   
 
          <div id="top2">   
   <center>   
 
<table border=1 ><th>Total Selected Domains</th>   
 
<c:forEach var="domain" items="${domainlist}">   
 
<tr><td>   
 
 
<c:out value="${domain.domainName}"></c:out>   
</td></tr>   
</c:forEach>   
 
</table>   
</center>   
</div>   
</body>

My actual proble is as follows:
Above code is working, but i want some modifications in it. And i am not getting it. :confused:

when i click on some checkbox of table"Table Containts" and submit ">>" button, then in "Total Selected Domains" table , it is displaying checked checkboxes. But at same time , whatever the displaying in "Total selected Domains", only that checkboxes should be checked in "Table Containts" simultaneously., So basically i want to avoid duplicate selection of same checkboxes.
waiting for your reply.
Thank you for yor help in advance