function setCookie(s){
	cName = "FurusatoNiigata=";
	exp = new Date();
	exp.setTime(exp.getTime() + 31536000000);
	document.cookie = cName + s + "; path=/" + "; expires=" + exp.toGMTString();
}

function getCookie(){
	zoom = "";
	cName = "FurusatoNiigata=";
	tmpCookie = document.cookie + ";";
	start = tmpCookie.indexOf(cName);
	if (start != -1)
	{
		end = tmpCookie.indexOf(";", start);
		zoom = tmpCookie.substring(start + cName.length, end);
		document.getElementById("wrapper").style.fontSize = zoom;
	} else {
		document.getElementById("wrapper").style.fontSize = "100%";
	}
}

/* 小 */
function textSize1(){
		selectSize = "90%";
		document.getElementById("wrapper").style.fontSize = selectSize;
		setCookie(selectSize);
}

/* 中 */
function textSize2(){
		selectSize = "100%";
		document.getElementById("wrapper").style.fontSize = selectSize;
		setCookie(selectSize);
}

/* 大 */
function textSize3(){
		selectSize = "120%";
		document.getElementById("wrapper").style.fontSize = selectSize;
		setCookie(selectSize);
}