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;
}