functiongetCookie(cname) { var name = cname + '=' var ca = document.cookie.split(';') for (var i = 0; i < ca.length; i++) { var c = ca[i] while (c.charAt(0) == ' ') c = c.substring(1) if (c.indexOf(name) != -1) return c.substring(name.length, c.length) } return'' }