// JScript File

        
       //编码程序：
        function CodeCookie(str) 
        { 
　        var strRtn=""; 
　        for (var i=str.length-1;i>=0;i--) 
　        { 
　　        strRtn+=str.charCodeAt(i); 
　　        if (i) strRtn+="a"; //用a作分隔符 
　        } 
　        return strRtn; 
        } 

        //解码程序： 
        function DecodeCookie(str) 
        { 
　        var strArr; 
　        var strRtn=""; 
　        strArr=str.split("a"); 
　        for (var i=strArr.length-1;i>=0;i--) 
　        strRtn+=String.fromCharCode(eval(strArr[i])); 
　        return strRtn; 
        }

        function SetCookie(name, value)
        //设定Cookie值
        {
            var expdate = new Date();
            var argv = SetCookie.arguments;
            var argc = SetCookie.arguments.length;
            var expires = (argc > 2) ? argv[2] : null;
            var path = (argc > 3) ? argv[3] : null;
            var domain = (argc > 4) ? argv[4] : null;
            var secure = (argc > 5) ? argv[5] : false;
            if(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));
            document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
            +((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
            +((secure == true) ? "; secure" : "");
        }
            
        function DelCookie(name)
        //删除Cookie
        {
            var exp = new Date();
            exp.setTime (exp.getTime() - 1);
            var cval = GetCookie (name);
            document.cookie = name + "=" + cval + "; expires="+ exp.toGMTString();
        }

        function getCookie(objName) 
        {
            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]);
            }
        }