javascript设置cookie

//-------------------------------------设置cookie---------------------------------------------------------
function setCookie(name, value) {
var today = new Date();
var expires = new Date();
expires.setTime(today.getTime() + 1000 * 60 * 60 * 24 * 365);
document.cookie = name + "=" + escape(value) + "; expires=" + expires.toGMTString();
}

//-------------------------------------获取cookie---------------------------------------------------------
function getCookie(Name) {
var search = Name + "=";
if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search);
    if (offset != -1) {
     offset += search.length;
     end = document.cookie.indexOf(";", offset);
     if (end == -1) {
      end = document.cookie.length;
     }
     return unescape(document.cookie.substring(offset, end));
    } else {
     return ("");
    }
} else {
    return ("");
}
}