//折りたたむ
function showPlagin(idno){
	pc = ('PlagClose' + (idno));
	po = ('PlagOpen' + (idno));
	if( document.getElementById(pc).style.display == "none" ) {
		document.getElementById(pc).style.display = "block";
		document.getElementById(po).style.display = "none";
	}
	else {
		document.getElementById(pc).style.display = "none";
		document.getElementById(po).style.display = "block";
	}
}