var link1;

function ch_list( a )     //±ä»¯.
{
  link1 = a;
  if(a == "list01"){
  list01.style.display = 'block';
  list02.style.display = 'none';
  list03.style.display = 'none';
  document.main01.src='../../cnimages/index/ee_5.gif';
  document.main02.src='../../cnimages/index/ee_6_6.gif';
  document.main03.src='../../cnimages/index/ee_7_7.gif';
  }
  if(a == "list02"){
  list01.style.display = 'none';
  list02.style.display = 'block';
  list03.style.display = 'none';
  document.main01.src='../../cnimages/index/ee_5_5.gif';
  document.main02.src='../../cnimages/index/ee_6.gif';
  document.main03.src='../../cnimages/index/ee_7_7.gif';
  }
  if(a == "list03"){
  list01.style.display = 'none';
  list02.style.display = 'none';
  list03.style.display = 'block';
  document.main01.src='../../cnimages/index/ee_5_5.gif';
  document.main02.src='../../cnimages/index/ee_6_6.gif';
  document.main03.src='../../cnimages/index/ee_7.gif';
  }
  
  
}