function FocusTab(tabname,tabcolor) {
      // タブの色
      // 全部グレイに
      document.getElementById('tabA').style.backgroundImage = 'url(../image/common/tab.gif)';
      document.getElementById('tabB').style.backgroundImage = 'url(../image/common/tab.gif)';
      document.getElementById('tabC').style.backgroundImage = 'url(../image/common/tab.gif)';
      document.getElementById('tabD').style.backgroundImage = 'url(../image/common/tab.gif)';
      document.getElementById('tabE').style.backgroundImage = 'url(../image/common/tab.gif)';
      // 指定箇所のみ色を変更
      if(tabname) {
         document.getElementById(tabname).style.backgroundImage = 'url(../image/common/tab_a.gif)';
      }
   }

   // タブボックスの中身
   function ChangeTab(tabname) {
      // 全部消す
      document.getElementById('tab1').style.display = 'none';
      document.getElementById('tab2').style.display = 'none';
      document.getElementById('tab3').style.display = 'none';
      document.getElementById('tab4').style.display = 'none';
      document.getElementById('tab5').style.display = 'none';
      // 指定箇所のみ表示
      if(tabname) {
         document.getElementById(tabname).style.display = 'block';
      }
   }