/* ================================== */
/*      クッキー　書き込み            */
/* ================================== */
function putCkie(pps)
	{
	namae = "mimibora=";
	imaha = new Date();
	imaha.setTime(imaha.getTime() + 31536000000);
	document.cookie = namae + pps + "; path=/" + "; expires=" + imaha.toGMTString();
	}


/* =================================== */
/*  初め文字サイズのsシート名＝box     */
/* =================================== */
function getCkie()
	{
	mojsaizu = "";
	namae = "mimibora=";
	tmpCkie = document.cookie + ";";
	hajime = tmpCkie.indexOf(namae);
	if (hajime != -1)
		{owari = tmpCkie.indexOf(";", hajime);
		mojsaizu = tmpCkie.substring(hajime + namae.length, owari);
		document.getElementById("contns-waku").style.fontSize = mojsaizu;
		} else {document.getElementById("contns-waku").style.fontSize = "100%";
		}
	}


/* ============================== */
/*          文字拡大　            */
/* ============================== */
function textsUp()
	{
	hajimeSaiz = document.getElementById("contns-waku").style.fontSize;
	kakudaiSaiz = "";
	if ( hajimeSaiz == "100%" )		{		kakudaiSaiz = "14pt";	}
	else if ( hajimeSaiz == "14pt" ){		kakudaiSaiz = "18pt";	}
	else if ( hajimeSaiz == "18pt" ){		kakudaiSaiz = "24pt";	}
	else if ( hajimeSaiz == "24pt" )
			{msg = escape("これ以上の文字拡大はできません");
			alert(unescape(msg));	kakudaiSaiz = "24pt";	}
		else {	kakudaiSaiz = "100%";	}
	document.getElementById("contns-waku").style.fontSize = kakudaiSaiz;
	putCkie(kakudaiSaiz);
	}


/* ================================ */
/*      文字サイズを戻す            */
/* ================================ */
function textsRenew()
	{
	kakudaiSaiz = document.getElementById("contns-waku").style.fontSize;
	msg = escape("文字サイズを" + kakudaiSaiz + "から元へ戻しますか？");
	modosu = confirm(unescape(msg));
	if (modosu) {kakudaiSaiz = "100%";
			document.getElementById("contns-waku").style.fontSize = kakudaiSaiz;
			}putCkie(kakudaiSaiz);
	}

/* ================================ */