// 「続きを読む」折りたたみ
function xt_readmore(xt_id,xt_flg){
var strName;
var strName0;
var strName1;
if((xt_id=="")||(xt_id==null))return true;
strName=xt_id;
strName0 = "-" + strName;
strName1 = "+" + strName;
if(xt_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;
}