function Cookiemanager() {
	this.name = 'cookieManager';
	this.defaultExpiration = this.getExpiration();
	this.defaultDomain = window.location.host.replace(/((^\w+:\/\/[\w-]+\.)|\/)/, '');
	this.defaultPath = '/';
	this.cookies = new Object();
	this.expiration = new Object();
	this.domain = new Object();
	this.path = new Object();
	window.onunload = new Function (this.name+'.setDocumentCookies();');
	this.getDocumentCookies();
}
Cookiemanager.prototype.getExpiration = function() {
	var date = new Date();
    date.setTime(date.getTime()+(7*24*60*60*1000));
	return date.toGMTString();
}
Cookiemanager.prototype.getDocumentCookies = function() {
	var cookie,pair;
	var cookies = document.cookie.split(';');
	var len = cookies.length;
	for(var i=0;i < len;i++) {
		cookie = cookies[i];
		while (cookie.charAt(0)==' ') cookie = cookie.substring(1,cookie.length);
		pair = cookie.split('=');
		this.cookies[pair[0]] = pair[1];
	}
}
Cookiemanager.prototype.setDocumentCookies = function() {
	var expires = '';
	var cookies = '';
	var domain = '';
	var path = '';
	for(var name in this.cookies) {
		expires = (this.expiration[name])?this.expiration[name]:this.defaultExpiration;
		path = this.defaultPath;
		domain = this.defaultDomain;
        if(name) {
		    var cookies = name + '=' + this.cookies[name] + '; expires=' + expires + '; path=' + path + '; domain=' + domain;
            if(cookies != '') {
                document.cookie = cookies;
            }
        }
	}
	return true;
}
Cookiemanager.prototype.getCookie = function() {  
	return (this.cookies['fontSize'])?this.cookies['fontSize']:false;
}
Cookiemanager.prototype.setCookie = function(cookieValue) {
    if(!isNaN(cookieValue)) {
    	this.cookies['fontSize'] = parseInt(cookieValue);
    	this.expiration['fontSize'] = this.getExpiration();
    	this.domain['fontSize'] = window.location.host.replace(/^[\w-]+\./, '');
    	this.path['fontSize'] = this.defaultPath;
    	return true;
    }
}
function Efa_Fontsize06(def,increment) {
	this.w3c = (document.getElementById);
	this.ms = (document.all);
	this.userAgent = navigator.userAgent.toLowerCase();
	this.isMacIE = ((this.userAgent.indexOf('msie') != -1) && (this.userAgent.indexOf('mac') != -1) && (this.userAgent.indexOf('opera') == -1));
	this.isOldOp = ((this.userAgent.indexOf('opera') != -1)&&(parseFloat(this.userAgent.substr(this.userAgent.indexOf('opera')+5)) <= 7));

	if ((this.w3c || this.ms) && !this.isOldOp && !this.isMacIE) {
		this.name = "efa_fontSize06";
		this.cookieName = 'fontSize';
		this.increment = increment;
		this.def = def;
		this.defPx = Math.round(16*(def/100))
		this.base = 1;
		this.pref = this.getPref();
		this.testHTML = '<div id="efaTest" style="position:absolute;visibility:hidden;line-height:1em;">&nbsp;</div>';
	} else {
		this.efaInit = new Function('return true;');
	}
}
Efa_Fontsize06.prototype.efaInit = function() {
		document.writeln(this.testHTML);
		this.body = (this.w3c)?document.getElementsByTagName('body')[0].style:document.all.tags('body')[0].style;
		this.efaTest = (this.w3c)?document.getElementById('efaTest'):document.all['efaTest'];
		var h = (this.efaTest.clientHeight)?parseInt(this.efaTest.clientHeight):(this.efaTest.offsetHeight)?parseInt(this.efaTest.offsetHeight):999;
		if (h < this.defPx) this.base = this.defPx/h;
		this.body.fontSize = Math.round(this.pref*this.base) + '%';
}
Efa_Fontsize06.prototype.getPref = function() {
	var pref = this.getCookie();
	if (pref) return parseInt(pref);
	else return this.def;
}
Efa_Fontsize06.prototype.setSize = function(direction) {
	this.pref = (direction)?this.pref+(direction*this.increment):this.def;
	this.setCookie(this.pref);
	this.body.fontSize = Math.round(this.pref*this.base) + '%';
}
Efa_Fontsize06.prototype.getCookie = function() {
	var cookie = cookieManager.getCookie();
	return (cookie)?cookie:false;
}
Efa_Fontsize06.prototype.setCookie = function(cookieValue) {
	return cookieManager.setCookie(cookieValue);
}
var cookieManager = new Cookiemanager();