12b36d5d_ebug_Preferences___FirebugWiki__Option
[Description] Panels, that are not shown inside the Panel Bar [Valid Values] "console", "html", "stylesheet", "script", "dom", "net" + Panels from extensions [Default] "" [UI Equivalents] Firebug Panel Bar -> Panel Selector [Option] 
hiddenPanels
Firebug Preferences - FirebugWiki