How to set a cookie lifetime 3 minutes
function setCookie(name, value, expires, path, domain, secure) { if(!expires) expires = new Date(2100,01,01); if(!path) path = '/'; //var curCookie = name + "=" + escape(value) + var curCookie = name + "=" + value + "; expires=" + expires.toGMTString() + "; path=" + path + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : ""); document.cookie = curCookie;} setCookie('city', city, new Date(date.getMinutes()+3000), '/', "example.com");