function showGregorianToday()
{
  var style_l = document.getElementById('today_lunar').style;
  style_l.display = 'none';
  var style_g = document.getElementById('today_gregorian').style;
  style_g.display = 'block';
  var sw_l = document.getElementById('sw_lunar');
  sw_l.innerHTML = '<a href="javascript:showLunarToday();" title="显示农历">农历</a>';
  var sw_g = document.getElementById('sw_gregorian');
  sw_g.innerHTML = '<b>公历</b>';
 
}

function showLunarToday()
{
  var style_g = document.getElementById('today_gregorian').style;
  style_g.display = 'none';
  var style_l = document.getElementById('today_lunar').style;
  style_l.display = 'block';
  var sw_g = document.getElementById('sw_gregorian');
  sw_g.innerHTML = '<a href="javascript:showGregorianToday();" title="显示公历">公历</a>';
  var sw_l = document.getElementById('sw_lunar');
  sw_l.innerHTML = '<b>农历</b>';
}