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 var expires = "";
		document.cookie = name+"="+value+expires+"; path=/";
	};

	function readCookie(name) {
		var nameEQ = name + "=";
		var ca = document.cookie || null;
		if (ca) {
			ca = ca.split(';');
			for(var 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;
	};

	function thanksCheck(version) {
		if (readCookie('DoGood_version') != version) {
			createCookie('DoGood_redirect', 'no', 365)
			createCookie('DoGood_version', version, 365);
		}
	}