/* Copyright (c)2002. chiro@jet.ne.jp */

function IndicationSwitch( listName ){

  if( listName.style.display != 'block' )
    listName.style.display = 'block';
  else
    listName.style.display = 'none';

}

function IndicationSwitchEx( listName, linkName ){

  if( listName.style.display != 'block' ){
    listName.style.display = 'block';
    linkName.src = 'images/minus.gif';
  }else{
    listName.style.display = 'none';
    linkName.src = 'images/plus.gif' ;
  }

}