/**************************************************
* *功能描述：搜道 zsm
**************************************************/
var UTF8 = {
        Encode:function (s1) {
            var s = escape(s1);
            var sa = s.split("%");
            var retV = "";
            if (sa[0] != "") {
                retV = sa[0];
            }
            for (var i = 1; i < sa.length; i++) {
                if (sa[i].substring(0, 1) == "u") {
                    retV += UTF8.Hex2Utf8(UTF8.Str2Hex(sa[i].substring(1, 5)));

                }
                else retV += "%" + sa[i];
            }

            return retV;
        },
        Str2Hex:function (s) {
            var c = "";
            var n;
            var ss = "0123456789ABCDEF";
            var digS = "";
            for (var i = 0; i < s.length; i++) {
                c = s.charAt(i);
                n = ss.indexOf(c);
                digS += UTF8.Dec2Dig(eval(n));

            }
            //return value;
            return digS;
        },
        Dec2Dig:function (n1) {
            var s = "";
            var n2 = 0;
            for (var i = 0; i < 4; i++) {
                n2 = Math.pow(2, 3 - i);
                if (n1 >= n2) {
                    s += '1';
                    n1 = n1 - n2;
                }
                else
                    s += '0';

            }
            return s;

        },
        Dig2Dec:function (s) {
            var retV = 0;
            if (s.length == 4) {
                for (var i = 0; i < 4; i++) {
                    retV += eval(s.charAt(i)) * Math.pow(2, 3 - i);
                }
                return retV;
            }
            return -1;
        },
        Hex2Utf8:function (s) {
            var retS = "";
            var tempS = "";
            var ss = "";
            if (s.length == 16) {
                tempS = "1110" + s.substring(0, 4);
                tempS += "10" + s.substring(4, 10);
                tempS += "10" + s.substring(10, 16);
                var sss = "0123456789ABCDEF";
                for (var i = 0; i < 3; i++) {
                    retS += "%";
                    ss = tempS.substring(i * 8, (eval(i) + 1) * 8);



                    retS += sss.charAt(UTF8.Dig2Dec(ss.substring(0, 4)));
                    retS += sss.charAt(UTF8.Dig2Dec(ss.substring(4, 8)));
                }
                return retS;
            }
            return "";
        } 
}