var Base64=

{

    _keyStr:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

    encode:function(e){

        var t="";

        var n,r,i,s,o,u,a;

        var f=0;

        e=Base64._utf8_encode(e);

        while(f<e.length){

            n=e.charCodeAt(f++);

            r=e.charCodeAt(f++);

            i=e.charCodeAt(f++);

            s=n>>2;

            o=(n&3)<<4|r>>4;

            u=(r&15)<<2|i>>6;

            a=i&63;

            if(isNaN(r)){

                u=a=64

            }else if(isNaN(i)){

                a=64

            }

            t=t+this._keyStr.charAt(s)+this._keyStr.charAt(o)+this._keyStr.charAt(u)+this._keyStr.charAt(a)

        }

        return t

    },

    decode:function(e){

        var t="";

        var n,r,i;

        var s,o,u,a;

        var f=0;

        e=e.replace(/[^A-Za-z0-9+/=]/g,"");

        while(f<e.length){

            s=this._keyStr.indexOf(e.charAt(f++));

            o=this._keyStr.indexOf(e.charAt(f++));

            u=this._keyStr.indexOf(e.charAt(f++));

            a=this._keyStr.indexOf(e.charAt(f++));

            n=s<<2|o>>4;

            r=(o&15)<<4|u>>2;

            i=(u&3)<<6|a;

            t=t+String.fromCharCode(n);

            if(u!=64){

                t=t+String.fromCharCode(r)

            }

            if(a!=64){

                t=t+String.fromCharCode(i)

            }

        }

        t=Base64._utf8_decode(t);

        return t

    },

    _utf8_encode:function(e){

        e=e.replace(/rn/g,"n");

        var t="";

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

            var r=e.charCodeAt(n);

            if(r<128){

                t+=String.fromCharCode(r)

            }else if(r>127&&r<2048){

                t+=String.fromCharCode(r>>6|192);

                t+=String.fromCharCode(r&63|128)

            }else{

                t+=String.fromCharCode(r>>12|224);

                t+=String.fromCharCode(r>>6&63|128);

                t+=String.fromCharCode(r&63|128)

            }

        }

        return t

    },

    _utf8_decode:function(e){

        var t="";

        var n=0;

        var r=c1=c2=0;

        while(n<e.length){

            r=e.charCodeAt(n);

            if(r<128){

                t+=String.fromCharCode(r);

                n++

            }else if(r>191&&r<224){

                c2=e.charCodeAt(n+1);

                t+=String.fromCharCode((r&31)<<6|c2&63);

                n+=2

            }else{

                c2=e.charCodeAt(n+1);

                c3=e.charCodeAt(n+2);

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

                n+=3

            }

        }

        return t

    }

};

window.btoa(unescape(encodeURIComponent()))