var newsID = '';
 function news(id){
  var newsObj = document.getElementById('a' + newsID);
  if(newsObj){
    newsObj.style.display = 'none';
    document.getElementById('b' + newsID).className = '';
  }
  var obj = document.getElementById('a' + id);
  document.getElementById('b' + id).className = 'current';
  obj.style.display = '';
  newsID = id;
 }
        
 var news1ID = '';
 function news1(id){
  var news1Obj = document.getElementById('c' + news1ID);
  if(news1Obj){
    news1Obj.style.display = 'none';
    document.getElementById('d' + news1ID).className = '';
  }
  var obj = document.getElementById('c' + id);
  document.getElementById('d' + id).className = 'current';
  obj.style.display = '';
  news1ID = id;
 }