anchor.diff:  }	
   %>	
   			<form>
  -				<a href="#" class="btn btn-default">Next 20 customers</a>
  -			
  +				<input type="hidden" name="c_offset" value="<%= (c_offset + 20) %>"/>
  +				<input type="hidden" name="r_offset" value="<%= r_offset%>"/>
  +				<input class="btn btn-default" value="Next 20 customers" />
   			</form>
   	
   		</div>
  
positive.code: 	}
  		
  %>
  			<td><a href="#" class="btn btn-default">Next 10</a></td>
  		</tr>
  <%	
  	for(i=0;i<s_list.size();i++)
  
negative.code: 	String cid = ""+request.getParameter("cid");
  	String pid = ""+request.getParameter("pid");
  	String keyword = ""+request.getParameter("keyword");
  	Connection conn;
  
  	int c_offset = (request.getParameter("c_offset") != null) ? Integer.parseInt(""+request.getParameter("c_offset")):0;
  	int r_offset = (request.getParameter("r_offset") != null) ? Integer.parseInt(""+request.getParameter("r_offset")):0;
  	
  	keyword = (keyword.equals("null"))? "":keyword;
  	
  	conn = DriverManager.getConnection(
  					"jdbc:postgresql://ec2-23-21-185-168.compute-1.amazonaws.com:5432/ddbj4k4uieorq7?ssl=true&sslfactory=org.postgresql.ssl.NonValidatingFactory",
  					"qwovydljafffgl", "cGdGZam7xcem_isgwfV3FQ_jxs");
  	PreparedStatement pstmt = null, d_pstmt = null;
  	Statement statement = null, d_statement = null;
  	ResultSet rs = null, d_rs = null;
  	String sql = null;
  %>	
  
  <!-- category menu -->
  <%
  