switch case statment to set a CSS class style variable

Hi All
I am trying to allow, via the admin section, the ability to change the background colours of a table.
The problems I am having is as follows;
- I have 4 of these sections on a dynamic template page
- not all the sections are used each time the template is called
- I want to either make the colours default to a specific colour if used or if not used, then to display a set colour

I see 2 ways for this to happen;
1 - if statements for the colours
- or -
2 - SQL statement to disallow the table to be shown unless content is posted in the database

I am new to SQL and 'if' statements.
I am using dreamweaver MX 2004 with access 2000.

This is the code I want to be able to hide, I have 4 of these section on a page.

I believe that a switch case statment to set a CSS class style variable is the way to go but I am a bit thick and dont pick these things up quickly, your help would be invaluable.

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<table width="150" border="0" cellpadding="1" cellspacing="0" bgcolor="#<%=(rs_pages.Fields.Item("S_SideHeading4_ColourBG").Value)%>">
            <tr>
              <td>
            <table width="150"  border="0" cellspacing="0" cellpadding="4">
                  <tr>
                    <td align="center" bgcolor="#<%=(rs_pages.Fields.Item("S_SideHeading4_ColourBG").Value)%>"><strong><%=(rs_pages.Fields.Item("S_SideHeading4").Value)%></strong></td>
                  </tr>
                  <tr>
                    <td bgcolor="#<%=(rs_pages.Fields.Item("S_SideContent4_ColourBG").Value)%>">
            <%Set objFileSystem = Server.CreateObject("Scripting.FileSystemObject")
			objFile = Request.ServerVariables("SCRIPT_NAME")
			ImagePath = Server.MapPath("../site_images\")
			ImagePath = ImagePath & "\" & (rs_pages.Fields.Item("S_SideImage4").Value)
			If objFileSystem.FileExists(ImagePath) then%>
            <img src="../site_images/<%=(rs_pages.Fields.Item("S_SideImage4").Value)%>"  border="0" align="right" /><%=(rs_pages.Fields.Item("S_SideHeading4").Value)%> 
            <%End If%>
            
            <%= CI_Preserve((rs_pages.Fields.Item("S_SideContent4").Value)) %>
                    </td>
                  </tr>
              </table>
      </td>
    </tr>
</table>

Code (markup):