function focusBlur(action,form,field)
{
  if (action == 'focus')
  {
    if (document.forms[form].elements[field].value == document.forms[form].elements[field].defaultValue)
    {
      document.forms[form].elements[field].value = '';
    }
  }
  else
  {
    if (document.forms[form].elements[field].value == '')
    {
      document.forms[form].elements[field].value = document.forms[form].elements[field].defaultValue;
    }
  }
}

function showHideSubnavi(which)
{
  for (var x in document.getElementsByTagName('ul'))
  {
    if (document.getElementsByTagName('ul')[x].id)
    {
      if (document.getElementsByTagName('ul')[x].id.substr(0,7) == 'subnavi' && document.getElementsByTagName('ul')[x].id != 'subnavi<%=xx%>')
      {
        document.getElementsByTagName('ul')[x].style.display = 'none';
      }
    }
  }

  var x = document.getElementById(which);
  if (x.style.display != 'none')
  {
    x.style.display = 'none';
  }
  else
  {
    x.style.display = 'block';
  }
}