#if($r.available("segments"))
$r.render("segments") #if($r.available("segmentCmp"))
$r.render("segmentCmp")
#end
#elseif($r.available("teacherView"))
$r.render("teacherView")
#elseif($r.available("participantView"))
$r.render("participantView")
#else
$r.translate("info.no.lectures")
#end