<s>
Showcase	B-Operating_System
is	O
an	O
extension	B-Operating_System
for	O
the	O
Mozilla	B-Application
Firefox	I-Application
,	O
Flock	B-Protocol
,	O
and	O
SeaMonkey	B-Language
(	O
as	O
a	O
special	O
port	O
named	O
"	O
Seamonkey	B-Language
Showcase	B-Operating_System
"	O
)	O
web	O
browsers	O
.	O
</s>
<s>
Showcase	B-Operating_System
earned	O
the	O
"	O
Best	O
Use	O
of	O
New	O
Firefox	B-Application
1.5	O
Features	O
"	O
award	O
for	O
the	O
Extend	O
Firefox	B-Application
contest	O
.	O
</s>
