<!--
// 階層ツリーメニュー
flag = false;
function treeMenu(tName) {
  tMenu = document.getElementById(tName).style;
  if(tMenu.display == 'none') tMenu.display = "block";
  else tMenu.display = "none";
}
//-->



<!--
// 階層ツリーメニュー
//flag = false;
//function treeMenu(tName) {
//  tMenu = document.all[tName].style;
//  if(tMenu.display == 'none') tMenu.display = "block";
//  else tMenu.display = "none";
//}
//-->