diff --git a/trunk/ReleasePackage.sh b/trunk/ReleasePackage.sh
index bb5bdde..ac993b8 100644
--- a/trunk/ReleasePackage.sh
+++ b/trunk/ReleasePackage.sh
@@ -3,8 +3,8 @@
 mydir="generate_id"
 echo $mydir
 
-myfiles="Makefile.sharp main.c cr_generate_id.h libgenid.a readme_openssl.txt LICENSE_en.txt LICENSE_jp.txt readme.txt readme_openssl.txt"
-
+myfiles="Makefile.sharp sample.c util.h util.c cr_generate_id.h libgenid.a"
+mydocs="readme_openssl.txt LICENSE_en.txt LICENSE_jp.txt readme.txt readme_openssl.txt function_spec.pdf"
 
 if [ -e mydir.zip ]
 then
@@ -27,6 +27,15 @@ do
     cp $myfile $mydir/$myfile
 done
 
+for mydoc in $mydocs
+do
+    if [ -e $mydir/$mydoc ]
+	then
+		rm -f $mydir/$mydoc
+    fi
+    cp document/$mydoc $mydir/$mydoc
+done
+
 mv $mydir/Makefile.sharp $mydir/Makefile
 
 zip $mydir.zip $mydir/*