JS设置Cookie,及COOKIE的限制

??? ((expiredays==null) ? "" : ";expires="+exdate.toGMTString())+";path=/";
?? }
?? function getCookie(c_name) {
??? if (document.cookie.length>0)
??? {
???? c_start=document.cookie.indexOf(c_name + "=");
???? if (c_start!=-1)
???? {?