The fragment below can be used in a sidebar navigation to establish a "twisted" subweb navigation.
Use it by adding
%INCLUDE{"System.FlexWebListNavi"}%
to your sidebar navigation
If you want to hide the web navigation from WikiGuests then uncomment the following:
%STARTINCLUDE%%TWISTY{
prefix="<h2 >"
suffix="</h2>"
remember="on"
firststart="show"
link="Webs "
buttonmode="span"
mode="div"
showimg="%ICONURLPATH{"toggleclose-mini"}%"
hideimg="%ICONURLPATH{"toggleopen-mini"}%"
}%
%FLEXWEBLIST{
webs="%MAINWEB%,User,People,public,%SYSTEMWEB%"
exclude="^(TestCases|Trash).*"
adminwebs="Applications.*"
map="System=Documentation"
header="<ul>"
format="<li
$percntIFDEFINED{\"%BASEWEB%\" as=\"$web\"
then=\" class='natCurrentWeb'\"
}$percnt>
<a href=\"%SCRIPTURLPATH{"view"}%/$web/%HOMETOPIC%\" $percntIFDEFINED{\"%BASEWEB%\" as=\"$web\" then=\" class='foswikiCurrentTopicLink'\" }$percnt>$name</a>
$percntIFDEFINEDTHEN{\"$nrsubwebs \" as=\"0 \"}$percnt
$percntELSEDEFINED$percnt
$percntTWISTYBUTTON{
id=\"subweb_$web\"
remember=\"on\"
buttonmode=\"span\"
showimg=\"$percntICONURLPATH{\"toggleclose-mini\"}$percnt\"
hideimg=\"$percntICONURLPATH{\"toggleopen-mini\"}$percnt\"
link=\"\"
}$percnt
$percntFIDEFINED$percnt"
footer="</li></ul>"
separator="</li>"
subheader="$percntTWISTYTOGGLE{id=\"subweb_$web\" mode=\"div\"}$percnt<ul class=\"natSubWebs\">"
subfooter="</li></ul>$percntENDTWISTYTOGGLE$percnt"
}%
%ENDTWISTY%%STOPINCLUDE%
Test