Modal Window-AJAX ---VS2010

The code for UPdatePanel is shown below. Can you please show me how to use AJAX/javascript to display Modal Window in the center of the screen when User clicks on Button1?    The content of the window is in <div id="enterContactInfo"..>

How Can i control in javaScript the Text (value) property of each Textbox ?

How Can i control in javaScript the ForeGroundColor and BackGroundColor property of each Textbox ?   The code is below:

-----ModalWindow.aspx--------------------------
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ModalWindow.aspx.cs" Inherits="WebApplication3.ModalWindow" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
   
    <script type="text/javascript">
 
    </script>
   
    <title>Show Modal window on click</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    Some info shown HERE  <br /> <br />
   
        <br />
   
   <asp:Button ID="Button1" runat="server" Text="Contact Info" Width="106px" UseSubmitBehavior="false"/>
 
    </div>

    <div id="enterContactInfo" style="display:none">

    <asp:UpdatePanel runat="server" ID="UpdatePanel1">
  <ContentTemplate>
    <table class="style1" runat="server" id="FormTable">
      <tr>
        <td colspan="2">
 
              <asp:ScriptManager ID="ScriptManager1" runat="server">
              </asp:ScriptManager>
           
           
            <h1>
                &nbsp;</h1>
 
          <p>Enter your name  and e-mail address </p>
        </td>
      </tr>
      <tr>
        <td>
          Name
        </td>
        <td>
          <asp:TextBox ID="Name" runat="server"></asp:TextBox>
        </td>

      </tr>
      <tr>
        <td>
          E-mail address
        </td>
        <td>
          <asp:TextBox ID="EmailAddress" runat="server"></asp:TextBox>
        </td>
       </tr>

    </table>

  </ContentTemplate>
</asp:UpdatePanel>


    </div>


    </form>
</body>
</html>
-------------------------------&&&&&&&&&&&&&&&&&&&&

Thanks
niceguy971Asked:
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aboo_sCommented:
<script type="text/javascript">

var myContactInfo = document.getElementById('enterContactInfo');
myContactInfo.style.display='none'; //this will hide the div
myContactInfo.style.display=' '; //this will show it.
myContactInfo.value= ' ';
myContactInfo.innerHTML=' This just a plain text<br> what do you think?  ';

// etc..
</script>
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niceguy971Author Commented:
Please answer the following questions below : #1, 2. 3, 4, 5:

1) Can I add OnClientClick event to the Button1?  So the code for the Button1 looks like

<asp:Button ID="Button1" runat="server" Text="Contact Info" Width="106px" UseSubmitBehavior="false" OnClientClick="ShowWindowInTheCenter()"/>

The code for the function ShowWindowInTheCenter():

<script type="text/javascript">

var myContactInfo = document.getElementById('enterContactInfo');

var myName = document.getElementById('Name');  // 1st textbox
myName.value= ' '; // textbox Name should Not display any value at the beginning

var myEmailAddress = document.getElementById('EmailAddress');  // 2nd textbox
myEmailAddress.value=' ';   //   textbox Name should Not display any value at the beginning

myContactInfo.style.display=' '; // display window

</script>

2) What do I need to change in the code to display window  {div-->"enterContactInfo"} in the center of the screen  AND Make windows dimensions = 50% of screen dimensions ?
  So it will look like pop-up in the center of the screen..it should not cover the whole screen.

3) How can I make this pop-up window movable so the user will be able to move it?

4) How can I access  the Forecolor and BackGroundColor of each textBox?

I would like to control the font color and Backgrounf color in the textBox..when the user enters the info

5) Is there something like GetFocus() event for the TextBox and how I control it in javaScript?  

I'm going to Add 'Save' button And 'Cancel' button to the  div-->"enterContactInfo" --the User should be able to save the info he Enters.
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niceguy971Author Commented:
Thanks
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