function menu_list(listname,linkfile,n1,n2) {
  if( n1 == n2 ) {
    document.write('<span>'+listname+'</span>');
  } else {
    document.write('<span> <a class="link" href="'+linkfile+'">'+listname+'</a></span>');
  }
}

function make_ja_menu(dir,num,nen) {
  jafile=document.URL;
  if( nen == 1 ) {
    enfile=jafile.replace(".ja.",".en.");
  } else {
    enfile=dir + "index.en.html";
  }
  document.write('<div id="menu" align="center">');
  menu_list("トップ",dir+"index.ja.html",1,num);
  menu_list("研究目的",dir+"science_plan/science_plan.ja.html",2,num);
  menu_list("研究の現状",dir+"current_status/current_status.ja.html",3,num);
  menu_list("開発モデル",dir+"models/models.ja.html",4,num);
  menu_list("メンバー",dir+"members/members.ja.html",5,num);
  menu_list("プロジェクト",dir+"projects/project.ja.html",6,num);
  menu_list("イベント",dir+"events/events.ja.html",7,num);
  menu_list("研究成果",dir+"publications/publications.ja.html",8,num);
  menu_list("ギャラリー",dir+"gallery/gallery.ja.html",9,num);
  menu_list("リンク",dir+"links/links.ja.html",10,num);
  document.write('</div>');
  document.write('<p>　</p>');
  document.write('<p>　</p>');
  document.write('<p>　</p>');
  document.write('<p>　</p>');
  document.write('<div id="menu" align="center">');
  menu_list("in English",enfile,-100,num);
  document.write('</div>');
  document.write('<br>');
  document.write('<a href="'+dir+'../../../index.html" class="logo"><img src="'+dir+'images/esc_logo.gif" border=0 width="131" height="92"></a>');
  document.write('<br>');
  document.write('<br>');
  document.write('<center>');
  document.write('<a class="link" href="'+dir+'mailto/mailto.ja.html"><img src="'+dir+'images/mail.gif"><br>連絡先</a>');
  document.write('</center>');
}

function make_en_menu(dir,num,nja) {
  enfile=document.URL;
  if( nja == 1 ) {
    jafile=enfile.replace(".en.",".ja.");
  } else {
    jafile=dir + "index.ja.html";
  }
  document.write('<div id="menu" align="center">');
  menu_list("Top",dir+"index.en.html",1,num);
  menu_list("Members",dir+"members/members.en.html",2,num);
  menu_list("Events",dir+"events/events.en.html",3,num);
  menu_list("Publications",dir+"publications/publications.en.html",4,num);
  menu_list("Gallery",dir+"gallery/gallery.en.html",5,num);
  menu_list("Links",dir+"links/links.en.html",6,num);
  document.write('</div>');
  document.write('<p>　</p>');
  document.write('<p>　</p>');
  document.write('<p>　</p>');
  document.write('<p>　</p>');
  document.write('<div id="menu" align="center">');
  menu_list("in Japanese",jafile,-100,num);
  document.write('</div>');
  document.write('<br>');
  document.write('<a href="'+dir+'../../../index.html" class="logo"><img src="'+dir+'images/esc_logo.gif" border=0 width="131" height="92"></a>');
  document.write('<br>');
  document.write('<br>');
  document.write('<center>');
  document.write('<a class="link" href="'+dir+'mailto/mailto.en.html"><img src="'+dir+'images/mail.gif"><br>contact us</a>');
  document.write('</center>');
}

