==4871== 
==4871== Use of uninitialised value of size 4
==4871==    at 0xE1A3FBB: Timeline::HasBeginTime() (clock.cpp:1321)
==4871==    by 0xE1A4733: ClockGroup::ComputeBeginTime() (clock.cpp:1079)
==4871==    by 0xE1921CD: Storyboard::Begin() (animation.cpp:343)
==4871==    by 0xE0B3D4F: MoonlightStoryboardObject::Invoke(int, void*, _NPVariant const*, unsigned, _NPVariant*) (plugin-class.cpp:2788)
==4871==    by 0xE0B7807: _invoke(NPObject*, void*, _NPVariant const*, unsigned, _NPVariant*) (plugin-class.cpp:1342)
==4871==    by 0x824BCAD: (within /usr/lib/firefox/firefox-bin)
==4871==    by 0x4068B70: js_Invoke (in /usr/lib/firefox/libmozjs.so)
==4871==    by 0x40701A9: js_Interpret (in /usr/lib/firefox/libmozjs.so)
==4871==    by 0x4068BD8: js_Invoke (in /usr/lib/firefox/libmozjs.so)
==4871==    by 0x40638B8: (within /usr/lib/firefox/libmozjs.so)
==4871==    by 0x4068B70: js_Invoke (in /usr/lib/firefox/libmozjs.so)
==4871==    by 0x40701A9: js_Interpret (in /usr/lib/firefox/libmozjs.so)
==4871== 
==4871== Invalid read of size 4
==4871==    at 0xE1A3FBB: Timeline::HasBeginTime() (clock.cpp:1321)
==4871==    by 0xE1A4733: ClockGroup::ComputeBeginTime() (clock.cpp:1079)
==4871==    by 0xE1921CD: Storyboard::Begin() (animation.cpp:343)
==4871==    by 0xE0B3D4F: MoonlightStoryboardObject::Invoke(int, void*, _NPVariant const*, unsigned, _NPVariant*) (plugin-class.cpp:2788)
==4871==    by 0xE0B7807: _invoke(NPObject*, void*, _NPVariant const*, unsigned, _NPVariant*) (plugin-class.cpp:1342)
==4871==    by 0x824BCAD: (within /usr/lib/firefox/firefox-bin)
==4871==    by 0x4068B70: js_Invoke (in /usr/lib/firefox/libmozjs.so)
==4871==    by 0x40701A9: js_Interpret (in /usr/lib/firefox/libmozjs.so)
==4871==    by 0x4068BD8: js_Invoke (in /usr/lib/firefox/libmozjs.so)
==4871==    by 0x40638B8: (within /usr/lib/firefox/libmozjs.so)
==4871==    by 0x4068B70: js_Invoke (in /usr/lib/firefox/libmozjs.so)
==4871==    by 0x40701A9: js_Interpret (in /usr/lib/firefox/libmozjs.so)
==4871==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==4871==