<!--

function showBullet(bID){ 
  document.getElementById('b1_content').style.visibility="hidden";
  document.getElementById('b1_content').style.height="0px";
  document.getElementById('b2_content').style.visibility="hidden";
  document.getElementById('b2_content').style.height="0px";
  document.getElementById('b3_content').style.visibility="hidden";
  document.getElementById('b3_content').style.height="0px";
  document.getElementById('b4_content').style.visibility="hidden";
  document.getElementById('b4_content').style.height="auto";
  /*
  document.getElementById('b5_content').style.visibility="hidden";
  document.getElementById('b5_content').style.height="auto";
  document.getElementById('b6_content').style.visibility="hidden";
  document.getElementById('b6_content').style.height="auto";
  */
 
  var comment = document.getElementById(bID);
  
  if(bID=='b1_content'){ 
    comment.style.visibility="visible";
    comment.style.height="auto";
  }
  if(bID=='b2_content'){
    comment.style.visibility="visible";
    comment.style.height="auto";
  }
  if(bID=='b3_content'){
    comment.style.visibility="visible";
    comment.style.height="auto";
  }
  if(bID=='b4_content'){
    comment.style.visibility="visible";
    comment.style.height="auto";
  }
  

}
     

//-->