Nesting YUI-GD within YUI-GB

here's some content at the top of the doc4/yui-7 bd div

blah blah blah. here's the content in the left column of the ge grid before the triple grid

first column in two column nested subgrid

second column in two column nested subgrid

middle column of gb grid

first column in two column nested subgrid

second column in two column nested subgrid

right column of gb grid

first column in two column nested subgrid

second column in two column nested subgrid