--- a/compile.xml
+++ a/compile.xml
@@ -4,8 +4,11 @@
 	<!-- properties -->
 	<property name="javac.compiler" value="modern"/>
 	<property name="javac.target"   value="1.1"/>
+	<property name="javac.source"	value="1.1"/>
 	<property name="src.dir"        value="."/>
 	<property name="dest.dir"       value="."/>
+	<property name="src.encoding"	value="Shift_JIS"/>
+	<property name="compile.nowarn" value="false"/>
 
 	<!-- targets -->
 	<target name="compileDebug">
@@ -14,6 +17,7 @@
 		</delete>
 		<javac compiler="${javac.compiler}"
 			   target="${javac.target}"
+			   source="${javac.source}"
 			   srcdir="${src.dir}"
 			   destdir="${dest.dir}"
 		       deprecation="on"
@@ -23,6 +27,7 @@
 		</javac>
 		<javac compiler="${javac.compiler}"
 			   target="${javac.target}"
+			   source="${javac.source}"
 			   srcdir="${src.dir}"
 			   destdir="${dest.dir}"
 		       deprecation="off"
@@ -38,20 +43,26 @@
 		</delete>
 		<javac compiler="${javac.compiler}"
 			   target="${javac.target}"
+			   source="${javac.source}"
 			   srcdir="${src.dir}"
 			   destdir="${dest.dir}"
 		       deprecation="on"
 		       debug="off"
-		       optimize="on">
+		       optimize="on"
+		       encoding="${src.encoding}"
+		       nowarn="${compile.nowarn}">
 			<patternset includesfile="${basedir}/lists/srcfiles.deprecation.list" />
 		</javac>
 		<javac compiler="${javac.compiler}"
 			   target="${javac.target}"
+			   source="${javac.source}"
 			   srcdir="${src.dir}"
 			   destdir="${dest.dir}"
 		       deprecation="off"
 		       debug="off"
-		       optimize="on">
+		       optimize="on"
+		       encoding="${src.encoding}"
+		       nowarn="${compile.nowarn}">
 			<patternset includesfile="${basedir}/lists/srcfiles.nodeprecation.list" />
 		</javac>
 	</target>
--- a/javadoc.xml
+++ a/javadoc.xml
@@ -5,6 +5,9 @@
 	<property name="src.dir"  value="."/>
 	<property name="dest.dir" value="./docs"/>
 	<property name="link.url" value="http://java.sun.com/j2se/1.4/ja/docs/ja/api/"/>
+	<property name="link.offline" value="false"/>
+	<property name="packagelist.loc" value="" />
+	<property name="src.encoding" value="Shift_JIS" />
 
 	<!-- targets -->
     <target name="javadoc">
@@ -24,15 +27,18 @@
                                jp.gr.java_conf.dangan.lang.reflect,
                                jp.gr.java_conf.dangan.util,
                                jp.gr.java_conf.dangan.util.lha"
-                 doctitle="LHA Library for Java API ドキュメント"
-                 Windowtitle="LHA Library for Java">
-            <link href="${link.url}" />
+                 doctitle="LHA Library for Java API Document"
+                 Windowtitle="LHA Library for Java"
+                 classpath="${classpath}"
+                 encoding="${src.encoding}" charset="Shift_JIS">
+            <link href="${link.url}" offline="${link.offline}" 
+            	packagelistLoc="${packagelist.loc}" />
             <Header>
                     <![CDATA[<small>LHA Library for Java</small>]]>
             </Header>
             <bottom>
-                    <![CDATA[<small>バグやドキュメントの誤りの報告は<A href="mailto:cqw10305@nifyt.com">作者宛て</A>にお願いします。<br></small>]]>
-                    <![CDATA[<small>ドキュメント内に含まれる社名、製品名については一般に各社の商標または登録商標です。<br></small>]]>
+                    <![CDATA[<small>When you found typographical errors or omissions, Please mail to <A href="mailto:cqw10305@nifyt.com">cqw10305@nifty.com</A><br></small>]]>
+                    <![CDATA[<small>The company name and product name which are used in this document, it is the trademark or registered trademark of each company generally.<br></small>]]>
                     <![CDATA[<small>Copyright &#169; 2001-2002 Michel Ishizuka. All Rights Reserved.<br></small>]]>
             </bottom>
         </javadoc>