function s_tuduki(s_id,s_flg){
    var strName;
  var strName0;
  var strName1;
  
  if((s_id=="")||(s_id==null))return true;
  strName=s_id;
  strName0 = "-" + strName;
  strName1 = "+" + strName;
  if(s_flg==0){
    document.getElementById(strName0).style.display="none";
    document.getElementById(strName1).style.display="block";
  }else{
    document.getElementById(strName1).style.display="none";
    document.getElementById(strName0).style.display="block";
  }
  return true;
}