/**

*

*  UTF-8 data encode / decode

*  http://www.webtoolkit.info/

*

**/



var Utf8 = {



    // public method for url encoding

    encode : function (string) {

        string = string.replace(/\r\n/g,"\n");

        var utftext = "";



        for (var n = 0; n < string.length; n++) {



            var c = string.charCodeAt(n);



            if (c < 128) {

                utftext += String.fromCharCode(c);

            }

            else if((c > 127) && (c < 2048)) {

                utftext += String.fromCharCode((c >> 6) | 192);

                utftext += String.fromCharCode((c & 63) | 128);

            }

            else {

                utftext += String.fromCharCode((c >> 12) | 224);

                utftext += String.fromCharCode(((c >> 6) & 63) | 128);

                utftext += String.fromCharCode((c & 63) | 128);

            }



        }



        return utftext;

    },



    // public method for url decoding

    decode : function (utftext) {

        var string = "";

        var i = 0;

        var c = c1 = c2 = 0;



        while ( i < utftext.length ) {



            c = utftext.charCodeAt(i);



            if (c < 128) {

                string += String.fromCharCode(c);

                i++;

            }

            else if((c > 191) && (c < 224)) {

                c2 = utftext.charCodeAt(i+1);

                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));

                i += 2;

            }

            else {

                c2 = utftext.charCodeAt(i+1);

                c3 = utftext.charCodeAt(i+2);

                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));

                i += 3;

            }



        }



        return string;

    }



}