1function getCookie(cname) {
2    var name = cname + "=";
3    var ca = document.cookie.split(';');
4    for(var i = 0; i <ca.length; i++) {
5        var c = ca[i];
6        while (c.charAt(0)==' ') {
7            c = c.substring(1);
8        }
9        if (c.indexOf(name) == 0) {
10            return c.substring(name.length,c.length);
11        }
12    }
13    return "";
14}
15