text: //获得coolie 的值
  
  function cookie(name) {
  
    var cookieArray = document.cookie.split("; "); //得到分割的cookie名值对    
  
    for (var i = 0; i < cookieArray.length; i++) {
  
      var arr = cookieArray[i].split("=");       //将名和值分开    
  
      if (arr[0] == name) {
        return unescape(arr[1]);
      } //如果是指定的cookie，则返回它的值    
  
    }
  
    return "";
  
  }
  
  /*function delCookie(name)//删除cookie
  
  {
  
     document.cookie = name+"=;expires="+(new Date(0)).toGMTString();
  
  }*/
  
  function getCookie(objName) {//获取指定名称的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) {                               //为时不设定过期时间，浏览器关闭时cookie自动消失
  
      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)//两个参数，一个是cookie的名子，一个是值
  
  {
  
    var Days = 30; //此 cookie 将被保存 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();
  
  }
  
  function getCookie(name)//取cookies函数        
  
  {
  
    var arr = document.cookie.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)"));
  
    if (arr != null) {
      return unescape(arr[2]);
    }
    return null;
  
  }
  
  function delCookie(name)//删除cookie
  {
    var exp = new Date();
    exp.setTime(exp.getTime() - 1);
    var cval = getCookie(name);
    if (cval != null) {
      document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString();
    }
  }
  
  