javascript設置和獲取cookie的方法

設置cookie的方法，和獲取cookie的方法例如以下

設置cookie
document.cookie="name="+value;

//獲取cookie當中index是cookie的名稱function getCookie(index){var allcookies = document.cookie;  var cookie_pos = allcookies.indexOf(index);if (cookie_pos != -1){cookie_pos += index.length + 1;var cookie_end = allcookies.indexOf(";",cookie_pos); if (cookie_end == -1){  cookie_end = allcookies.length;  }  var value = unescape(allcookies.substring(cookie_pos, cookie_end)); }    return value;  		
}	

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