function ChgVisible(id){
	//表示非表示切り替えスイッチ
	if(document.all)
		OBJ = document.all(id).style;
	else if(document.getElementById)
		OBJ = document.getElementById(id).style;
	if(OBJ){
		OBJ.display=='none'?OBJ.display='':OBJ.display='none';
		CookieWrite(id,OBJ.display,365);
	}
}
function Visible(id){
	//表示切り替えスイッチ
	if(document.all)
		OBJ = document.all(id).style;
	else if(document.getElementById)
		OBJ = document.getElementById(id).style;
	if(OBJ)
		OBJ.display='';
}
function Hidden(id){
	//非表示切り替えスイッチ
	if(document.all)
		OBJ = document.all(id).style;
	else if(document.getElementById)
		OBJ = document.getElementById(id).style;
	if(OBJ)
		OBJ.display='none';
}

function CookieWrite(kword, kdata, kday)
{
	if(!navigator.cookieEnabled)    // クッキーが利用可能かどうか
		return;
	sday = new Date();
	sday.setTime(sday.getTime() + (kday * 1000 * 60 * 60 * 24));
	s2day = sday.toGMTString();
	document.cookie = kword + "=" + escape(kdata) + ";expires=" + s2day;
}