function Cookiemanager() {
	this.name = 'cookieManager';
	this.defaultExpiration = this.getExpiration();
	this.defaultDomain = window.location.host.replace(/^[\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() {
	expiration = 7;
	units = 'days';
	var date = new Date();
	switch(units) {
		case 'years':
			date.setFullYear(date.getFullYear() + expiration);
			break;
		case 'months':
			date.setMonth(date.getMonth() + expiration);
			break;
		case 'days':
			date.setTime(date.getTime()+(expiration*24*60*60*1000));
			break;
		case 'hours':
			date.setTime(date.getTime()+(expiration*60*60*1000));
			break;
		case 'minutes':
			date.setTime(date.getTime()+(expiration*60*1000));
			break;
		case 'seconds':
			date.setTime(date.getTime()+(expiration*1000));
			break;
		default:
			date.setTime(date.getTime()+expiration);
			break;
		}
	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;
		cookies = name + '=' + this.cookies[name] + '; expires=' + expires + '; path=' + path + '; domain=' + domain;
		document.cookie = cookies;
		}
	return true;
	}
Cookiemanager.prototype.getCookie = function() {  
	var cookie = this.cookies['efaSize'];
	return (cookie)?cookie:false;
}
Cookiemanager.prototype.setCookie = function(cookieValue) {
	this.cookies['efaSize'] = parseInt(cookieValue);
	this.expiration['efaSize'] = this.getExpiration();
	this.domain['efaSize'] = window.location.host.replace(/^[\w-]+\./, '');
	this.path['efaSize'] = '/';
	return true;
	}
var cookieManager = new Cookiemanager();