$(function(){
	$("#switch_font_small").click(
		function(){
			setActiveStyleSheet('font_small');
			return false;
		}
	);
	$("#switch_font_middle").click(
		function(){
			setActiveStyleSheet('font_middle');
			return false;
		}
	);
	$("#switch_font_large").click(
		function(){
			setActiveStyleSheet('font_large');
			return false;
		}
	);
});

function setActiveStyleSheet(title){
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]);i++){
		if(a.getAttribute("rel") && a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")){
			a.disabled = true;
			if(a.getAttribute("title") == title)
			a.disabled = false;
		}
	}
}

function getActiveStyleSheet(){
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]);i++) {
		if(a.getAttribute("rel") && a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
	}
	return null;
}

function getPreferredStyleSheet(){
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]);i++){
		if(a.getAttribute("rel") && a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("rel").indexOf("alt") == -1 && a.getAttribute("title")) return a.getAttribute("title");
	}
	return null;
}

function createCookie(name,value,days){
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}else expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name){
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(i=0;i<ca.length;i++){
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

window.onload = function(e){
	var cookie = readCookie("style");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
}

window.onunload = function(e){
	var title = getActiveStyleSheet();
	createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);


/*-------------------------------------------------
coded by isabella.jp
 * This script is editable and cannot be resold.
 * このスクリプトは編集可能ですが、再販不可です。
 * related StyleSheeets - /common/css/font/~
-------------------------------------------------*/