<script>
            $(document).ready(function () {
                $("#refresh").on("click", function () {

                    $("#center").load("center.html");
                });
            });
   </script>

<div id="refresh" align="center">
        <%                ArrayList<PurchaseOrder> PurchaseOrder = (ArrayList<PurchaseOrder>) session.getAttribute("poList");
        %>

        <select name="selected" >
            <%
                for (int i = 0; i < PurchaseOrder.size(); i++) {
            %>
            <option value="<%=PurchaseOrder.get(i).getPoNumber()%>"> <%=PurchaseOrder.get(i).getPoNumber()%></option>
            <%
                }
            %>
        </select>

    </div>

<form method="POST" action="ConsumptionReportServlet">
    <div align="center">
         <%
        int y = Integer.parseInt(request.getParameter("value"));
         %>

        <table id="dataTable" class="table table-hover" style= "width:800px">
            <tr>
                <th class = "edits">Purchase Order</th>
                <th class = "edits">Item Description</th>
                <th class = "edits">Quantity</th>
                <th class = "edits">Unit Measurement</th>
                <th class = "edits">Unit Price</th>
                <th class = "edits">Vat</th>
                <th class = "edits">Date Made</th>
                <th class = "edits">Prepared By</th>
                <th class = "edits">Approved By</th>
            </tr>
            <tr>
                <td><%=PurchaseOrder.get(y).getPoNumber()%></td>
                <td><%= PurchaseOrder.get(y).getItemDescription()%></td>
                <td><%= PurchaseOrder.get(y).getQty()%></td>
                <td><%= PurchaseOrder.get(y).getUnitMeasurement()%></td>
                <td><%= PurchaseOrder.get(y).getUnitprice()%></td>
                <td><%= PurchaseOrder.get(y).getVat()%></td>
                <td><%= PurchaseOrder.get(y).getDateMade()%></td>
                <td><%= PurchaseOrder.get(y).getPreparedBy()%></td>
            </tr>
        </table>....