7f5ad477_ebug_Preferences___FirebugWiki__UI_Equivalents
[Option] showUserFuncs [Description] Specifies whether to display user-defined functions inside the DOM Panel/Side Panel [Valid Values] true, false [Default] true [UI Equivalents] 
DOM Options Mini Menu/Watch Side Panel Options Mini Menu->Show User-defined Functions
Firebug Preferences - FirebugWiki