﻿jQuery.cookie = function (key, value, options) {

	// key and at least value given, set cookie...
	if (arguments.length > 1 && String(value) !== "[object Object]") {
		options = jQuery.extend({}, options);

		if (value === null || value === undefined) {
			options.expires = -1;
		}

		if (typeof options.expires === 'number') {
			var days = options.expires, t = options.expires = new Date();
			t.setDate(t.getDate() + days);
		}

		value = String(value);

		return (document.cookie = [
            encodeURIComponent(key), '=',
            options.raw ? value : encodeURIComponent(value),
            options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
            options.path ? '; path=' + options.path : '',
            options.domain ? '; domain=' + options.domain : '',
            options.secure ? '; secure' : ''
        ].join(''));
	}

	// key and possibly options given, get cookie...
	options = value || {};
	var result, decode = options.raw ? function (s) { return s; } : decodeURIComponent;
	return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null;
};

$(document).ready(function () {

	var originalFontSize = $("html").css("font-size");
	var $cookie_name = "AF3-FontSize";
	var cookie_options = {
		path: "/"
	, expires: 30
	};

	if ($.cookie($cookie_name, cookie_options)) {
		var getSize = $.cookie($cookie_name, cookie_options);
		$("html").css({ "font-size": getSize });
	} else {
		$.cookie($cookie_name, originalFontSize, cookie_options);
	}

	// Reset Font-Size.
	$(".resetFont").click(function () {
		$("html").css("font-size", originalFontSize);
		$.cookie($cookie_name, originalFontSize, cookie_options);
	});

	// Increase Font Size
	$(".increaseFont").click(function () {
		var originalFontSizeNum = parseFloat(originalFontSize, 10);
		var newFontSize = originalFontSizeNum + 5;
		// $("html").css("font-size", newFontSize); braces is an IE6 fix.
		$("html").css({ "font-size": newFontSize });
		$.cookie($cookie_name, newFontSize, cookie_options);
		return true;
	});

	// Decrease Font Size
	$(".increaseFontBig").click(function () {
		var originalFontSizeNum = parseFloat(originalFontSize, 10);
		var newFontSize = originalFontSizeNum + 10;
		// $("html").css("font-size", newFontSize); braces is an IE6 fix.
		$("html").css({ "font-size": newFontSize });
		$.cookie($cookie_name, newFontSize, cookie_options);
		return true;
	});

});

