The divider lines that you have inserted are Drawing Objects and must be
selected with the Object Selection tool.
In Versions of Word before 2007, that tool is the arrow head on the Drawing
Toolbar that you can display by accessing the View menu, then select
Toolbars and check the Drawing item.
In Word 2007, go to the Home tab and then in the Editing section of the
Ribbon, pulldown the Select item and click on the Select Objects item.
In both cases, when you do this, the mouse cursor will change to an Arrow
head pointing to the left of Vertical and with that you will be able to
select the divider lines and then delete them.
Press Esc to return the mouse cursor to its normal functionality.
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Hope this helps.
Please reply to the newsgroup unless you wish to avail yourself of my
services on a paid consulting basis.
Doug Robbins - Word MVP, originally posted via msnews.microsoft.com