Collapse-O-Matic Nested SwapTitles

[expand title="Fiction" rel="fiction" swaptitle="Is like non-non-fiction"]
[expandsub1 title="Star Wars" rel="submenu-highlander" swaptitle="Hyperspeed" expanded="true"]Target Content[/expandsub1]
[expandsub1 title="Star Trek" rel="submenu-highlander" swaptitle="Warpspeed"]Target Content[/expandsub1]
[/expand]
Fiction
Star Wars
Target Content
Star Trek
Target Content