Project panel - library doesn't open (has no "+")

http://img403.imageshack.us/img403/5664/82568755oo6.png
http://img403.imageshack.us/img403/25/69107966qz4.png
http://img187.imageshack.us/img187/4297/41262285js2.png

As you see - I have freemarker and log4j libraries properly set and everything is working just fine but when in "Project" panel - I can't open them with double-click or "+"

Build 6733, WinXP SP2