The Progress displays behind the dropdown

In my project I am using the update progress bar. When the button is clicked the background page will be disabled. It works fine in IE7, Firefox and Chrome. But in IE6 the dropdown is displaying behind the progress bar. Can any one help me to solve this problem. Here the code:

**<%@ Page Language="VB" MasterPageFile="~/MasterPage.master" AutoEventWireup="false" CodeFile="fp_t012stk.aspx.vb" Inherits="fp_t012stk" title="Current Stock Report" %> <%@ Register Assembly="CrystalDecisions.Web, Version=10.2.3600.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" Namespace="CrystalDecisions.Web" TagPrefix="CR" %>

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>

function ShowProgress() { document.getElementById('').style.display = "inline"; }

<asp:UpdatePanel id="UpdatePanel1" runat="server">
    <contenttemplate>

    All Good Defective OOW Good OOW Defective   No Yes

                                        <asp:Button id="btnReport" runat="server" CssClass="css_button" __designer:wfdid="w132" Text="PRINT" OnClientClick="ShowProgress()"></asp:Button></TD><TD align=left><asp:Button id="btnExcel" runat="server" CssClass="css_button" __designer:wfdid="w133" Text="Excel"></asp:Button></TD></TR></TBODY></TABLE></asp:Panel> </T开发者_开发问答D><TD></TD></TR></TBODY></TABLE>

 

Processing........

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Thanks in advance

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I don't see a dropdown in your code, but you can try setting the z-index higher to make it appear above other elements.

style="z-index: 1000;"