//獲得cookie 的值
function cookie(name) {
var cookieArray = document.cookie.split("; "); //得到分割的cookie名值對
var cookie = new Object();
for (var i = 0; i < cookieArray.length; i++) {
var arr = cookieArray[i].split("="); //將名和值分開
if (arr[0] == name) return unescape(arr[1]); //如果是指定的cookie，則返回它的值
}
return "";
}
function delCookie(name)//刪除cookie
{
document.cookie = name + "=;expires=" + (new Date(0)).toGMTString();
}
function getCookie(objName) {//獲取指定名稱的cookie的值
var arrStr = document.cookie.split("; ");
for (var i = 0; i < arrStr.length; i++) {
var temp = arrStr[i].split("=");
if (temp[0] == objName) return unescape(temp[1]);
}
}
function addCookie(objName, objValue, objHours) { //添加cookie
var str = objName + "=" + escape(objValue);
if (objHours > 0) { //為時不設定過期時間，浏覽器關閉時cookie自動消失
var date = new Date();
var ms = objHours * 3600 * 1000;
date.setTime(date.getTime() + ms);
str += "; expires=" + date.toGMTString();
}
document.cookie = str;
}
function SetCookie(name, value)//兩個參數，一個是cookie的名子，一個是值
{
var Days = 30; //此 cookie 將被保存 30 天
var exp = new Date(); //new Date("December 31, 9998");
exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000);
document.cookie = name + "=" + escape(value) + ";expires=" + exp.toGMTString();
}