/*
[0..9a..bA..B-+._&]
427073
private static boolean isIdentifierChar(int c)
    {
        return (c >= '0' && c <= '9')
            || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')
            || c == '-' || c == '+' || c == '.' || c == '_' || c == '&';
    }
1081876
function ze(pt,ut,bt,ht){var It=pt.indexOf("."),At=We,wt=Xe,mt,yt,_t,vt,xt,St,kt;// Remove trailing zeros.
for(37>bt&&(pt=pt.toLowerCase()),0<=It&&(_t=dt,dt=0,pt=pt.replace(".",""),kt=new Le(bt),xt=kt.pow(pt.length-It),dt=_t,kt.c=ue(he(ce(xt.c),xt.e),10,ut),kt.e=kt.c.length),St=ue(pt,bt,ut),yt=_t=St.length;0==St[--_t];St.pop());if(!St[0])return"0";if(0>It?--yt:(xt.c=St,xt.e=yt,xt.s=ht,xt=qe(xt,kt,At,wt,ut),St=xt.c,vt=xt.r,yt=xt.e),mt=yt+At+1,It=St[mt],_t=ut/2,vt=vt||0>mt||null!=St[mt+1],vt=4>wt?(null!=It||vt)&&(0==wt||wt==(0>xt.s?3:2)):It>_t||It==_t&&(4==wt||vt||6==wt&&1&St[mt-1]||wt==(0>xt.s?8:7)),1>mt||!St[0])pt=vt?he("1",-At):"0";else{if(St.length=mt,vt)// Rounding up may mean the previous digit has to be rounded up and so on.
for(--ut;++St[--mt]>ut;)St[mt]=0,mt||(++yt,St.unshift(1));// Determine trailing zeros.
for(_t=St.length;!St[--_t];);// E.g. [4, 11, 15] becomes 4bf.
for(It=0,pt="";It<=_t;pt+=Pe.charAt(St[It++]));pt=he(pt,yt)}// The caller will add the sign.
return pt}
717361
function(args) {
            args = this.trim(args, '&\?#');

            var parts = args.split('&');
            var output = {};

            var key;
            var value;
            var equalsSegments;
            var lim = parts.length;
            for (var i=0,l=lim; i<l; i++) {
                equalsSegments = parts[i].split('=');
                key = decodeURIComponent(equalsSegments.shift());
                value = equalsSegments.join("=");
                output[key] = decodeURIComponent(value);
            }
            return output;
        }
670153
function(a, b)
{
    return (a.l <= b.r && b.l <= a.r && a.b <= b.t && b.b <= a.t);
}
116516
function mpn_dbl(r, n, l) {
	var c = 0;
	for (var i = 0; i < l; ++i) {
		r[i] = (c = c >>> 31 | n[i] << 1) & 0x7FFFFFFF;
	}
	return c >>> 31;
}
830197
function () {
                var b, c, captures, d, depth, high, i, l, low, q, t;

                function match(x) {
                    var r = x.exec(s), r1;
                    if (r) {
                        l = r[0].length;
                        r1 = r[1];
                        c = r1.charAt(0);
                        s = s.substr(l);
                        character += l;
                        from = character - r1.length;
                        return r1;
                    }
                }

                function string(x) {
                    var c, j, r = '';

                    if (jsonmode && x !== '"') {
                        warningAt("Strings must use doublequote.",
                                line, character);
                    }

                    if (xmode === x || xmode === 'string') {
                        return it('(punctuator)', x);
                    }

                    function esc(n) {
                        var i = parseInt(s.substr(j + 1, n), 16);
                        j += n;
                        if (i >= 32 && i <= 127 &&
                                i !== 34 && i !== 92 && i !== 39) {
                            warningAt("Unnecessary escapement.", line, character);
                        }
                        character += n;
                        c = String.fromCharCode(i);
                    }
                    j = 0;
                    for (;;) {
                        while (j >= s.length) {
                            j = 0;
                            if (xmode !== 'xml' || !nextLine()) {
                                errorAt("Unclosed string.", line, from);
                            }
                        }
                        c = s.charAt(j);
                        if (c === x) {
                            character += 1;
                            s = s.substr(j + 1);
                            return it('(string)', r, x);
                        }
                        if (c < ' ') {
                            if (c === '\n' || c === '\r') {
                                break;
                            }
                            warningAt("Control character in string: {a}.",
                                    line, character + j, s.slice(0, j));
                        } else if (c === '<') {
                            if (option.adsafe && xmode === 'xml') {
                                warningAt("ADsafe string violation.",
                                        line, character + j);
                            } else if (s.charAt(j + 1) === '/' && ((xmode && xmode !== 'CDATA') || option.adsafe)) {
                                warningAt("Expected '<\\/' and instead saw '</'.", line, character);
                            }
                        } else if (c === '\\') {
                            if (option.adsafe && xmode === 'xml') {
                                warningAt("ADsafe string violation.",
                                        line, character + j);
                            }
                            j += 1;
                            character += 1;
                            c = s.charAt(j);
                            switch (c) {
                            case '\\':
                            case '\'':
                            case '"':
                            case '/':
                                break;
                            case 'b':
                                c = '\b';
                                break;
                            case 'f':
                                c = '\f';
                                break;
                            case 'n':
                                c = '\n';
                                break;
                            case 'r':
                                c = '\r';
                                break;
                            case 't':
                                c = '\t';
                                break;
                            case 'u':
                                esc(4);
                                break;
                            case 'v':
                                c = '\v';
                                break;
                            case 'x':
                                if (jsonmode) {
                                    warningAt("Avoid \\x-.", line, character);
                                }
                                esc(2);
                                break;
                            default:
                                warningAt("Bad escapement.", line, character);
                            }
                        }
                        r += c;
                        character += 1;
                        j += 1;
                    }
                }

                for (;;) {
                    if (!s) {
                        return it(nextLine() ? '(endline)' : '(end)', '');
                    }
                    t = match(tx);
                    if (!t) {
                        t = '';
                        c = '';
                        while (s && s < '!') {
                            s = s.substr(1);
                        }
                        if (s) {
                            errorAt("Unexpected '{a}'.",
                                    line, character, s.substr(0, 1));
                        }
                    }

//      identifier

                    if (c.isAlpha() || c === '_' || c === '$') {
                        return it('(identifier)', t);
                    }

//      number

                    if (c.isDigit()) {
                        if (!isFinite(Number(t))) {
                            warningAt("Bad number '{a}'.",
                                line, character, t);
                        }
                        if (s.substr(0, 1).isAlpha()) {
                            warningAt("Missing space after '{a}'.",
                                    line, character, t);
                        }
                        if (c === '0') {
                            d = t.substr(1, 1);
                            if (d.isDigit()) {
                                warningAt("Don't use extra leading zeros '{a}'.",
                                        line, character, t);
                            } else if (jsonmode && (d === 'x' || d === 'X')) {
                                warningAt("Avoid 0x-. '{a}'.",
                                        line, character, t);
                            }
                        }
                        if (t.substr(t.length - 1) === '.') {
                            warningAt(
    "A trailing decimal point can be confused with a dot '{a}'.",
                                    line, character, t);
                        }
                        return it('(number)', t);
                    }

//      string

                    switch (t) {
                    case '"':
                    case "'":
                        return string(t);

//      // comment

                    case '//':
                        if (src || (xmode && !(xmode === 'script' || xmode === 'CDATA'))) {
                            warningAt("Unexpected comment.", line, character);
                        }
                        if (option.adsafe && ax.test(s)) {
                            warningAt("ADsafe comment violation.", line, character);
                        }
                        s = '';
                        break;

//      /* comment

                    case '/*':
                        if (src || (xmode && !(xmode === 'script' || xmode === 'CDATA'))) {
                            warningAt("Unexpected comment.", line, character);
                        }
                        if (option.adsafe && ax.test(s)) {
                            warningAt("ADsafe comment violation.", line, character);
                        }
                        for (;;) {
                            i = s.search(lx);
                            if (i >= 0) {
                                break;
                            }
                            if (!nextLine()) {
                                errorAt("Unclosed comment.", line, character);
                            } else {
                                if (option.adsafe && ax.test(s)) {
                                    warningAt("ADsafe comment violation.", line, character);
                                }
                            }
                        }
                        character += i + 2;
                        if (s.substr(i, 1) === '/') {
                            errorAt("Nested comment.", line, character);
                        }
                        s = s.substr(i + 2);
                        break;

//      /*global /*extern /*members /*jslint */

                    case '/*global':
                    case '/*extern':
                    case '/*members':
                    case '/*member':
                    case '/*jslint':
                    case '*/':
                        return {
                            value: t,
                            type: 'special',
                            line: line,
                            character: character,
                            from: from
                        };

                    case '':
                        break;
//      /
                    case '/':
                        if (prereg) {
                            depth = 0;
                            captures = 0;
                            l = 0;
                            for (;;) {
                                b = true;
                                c = s.charAt(l);
                                l += 1;
                                switch (c) {
                                case '':
                                    errorAt("Unclosed regular expression.", line, from);
                                    return;
                                case '/':
                                    if (depth > 0) {
                                        warningAt("Unescaped '{a}'.", line, from + l, '/');
                                    }
                                    c = s.substr(0, l - 1);
                                    if (s.charAt(l) === 'g') {
                                        l += 1;
                                    }
                                    if (s.charAt(l) === 'i') {
                                        l += 1;
                                    }
                                    if (s.charAt(l) === 'm') {
                                        l += 1;
                                    }
                                    character += l;
                                    s = s.substr(l);
                                    return it('(regex)', c);
                                case '\\':
                                    l += 1;
                                    break;
                                case '(':
                                    depth += 1;
                                    b = false;
                                    if (s.charAt(l) === '?') {
                                        l += 1;
                                        switch (s.charAt(l)) {
                                        case ':':
                                        case '=':
                                        case '!':
                                            l += 1;
                                            break;
                                        default:
                                            warningAt("Expected '{a}' and instead saw '{b}'.", line, from + l, ':', s.charAt(l));
                                        }
                                    } else {
                                        captures += 1;
                                    }
                                    break;
                                case ')':
                                    if (depth === 0) {
                                        warningAt("Unescaped '{a}'.", line, from + l, ')');
                                    } else {
                                        depth -= 1;
                                    }
                                    break;
                                case ' ':
                                    q = 1;
                                    while (s.charAt(l) === ' ') {
                                        l += 1;
                                        q += 1;
                                    }
                                    if (q > 1) {
                                        warningAt("Spaces are hard to count. Use {{a}}.", line, from + l, q);
                                    }
                                    break;
                                case '[':
                                    if (s.charAt(l) === '^') {
                                        l += 1;
                                    }
                                    q = false;
klass:                              for (;;) {
                                        c = s.charAt(l);
                                        l += 1;
                                        switch (c) {
                                        case '[':
                                        case '^':
                                            warningAt("Unescaped '{a}'.", line, from + l, c);
                                            q = true;
                                            break;
                                        case '-':
                                            if (q) {
                                                q = false;
                                            } else {
                                                warningAt("Unescaped '{a}'.", line, from + l, '-');
                                                q = true;
                                            }
                                            break;
                                        case ']':
                                            if (!q) {
                                                warningAt("Unescaped '{a}'.", line, from + l - 1, '-');
                                            }
                                            break klass;
                                        case '\\':
                                            l += 1;
                                            q = true;
                                            break;
                                        default:
                                            if (c < ' ') {
                                                errorAt(c ? "Control character in a regular expression" :
                                                    "Unclosed regular expression.", line, from + l);
                                            }
                                            q = true;
                                        }
                                    }
                                    break;
                                case ']':
                                case '?':
                                case '{':
                                case '}':
                                case '+':
                                case '*':
                                    warningAt("Unescaped '{a}'.", line, from + l, c);
                                    break;
                                default:
                                    if (c < ' ') {
                                        warningAt("Control character in a regular expression", line, from + l);
                                    }
                                }
                                if (b) {
                                    switch (s.charAt(l)) {
                                    case '?':
                                    case '+':
                                    case '*':
                                        l += 1;
                                        if (s.charAt(l) === '?') {
                                            l += 1;
                                        }
                                        break;
                                    case '{':
                                        l += 1;
                                        c = s.charAt(l);
                                        if (c < '0' || c > '9') {
                                            warningAt("Expected a number and instead saw '{a}'.", line, from + l, c);
                                        }
                                        l += 1;
                                        low = +c;
                                        for (;;) {
                                            c = s.charAt(l);
                                            if (c < '0' || c > '9') {
                                                break;
                                            }
                                            l += 1;
                                            low = +c + (low * 10);
                                        }
                                        high = low;
                                        if (c === ',') {
                                            l += 1;
                                            high = Infinity;
                                            c = s.charAt(l);
                                            if (c >= '0' && c <= '9') {
                                                l += 1;
                                                high = +c;
                                                for (;;) {
                                                    c = s.charAt(l);
                                                    if (c < '0' || c > '9') {
                                                        break;
                                                    }
                                                    l += 1;
                                                    high = +c + (high * 10);
                                                }
                                            }
                                        }
                                        if (s.charAt(l) !== '}') {
                                            warningAt("Expected '{a}' and instead saw '{b}'.", line, from + l, '}', c);
                                        } else {
                                            l += 1;
                                        }
                                        if (s.charAt(l) === '?') {
                                            l += 1;
                                        }
                                        if (low > high) {
                                            warningAt("'{a}' should not be greater than '{b}'.", line, from + l, low, high);
                                        }
                                    }
                                }
                            }
                            c = s.substr(0, l - 1);
                            character += l;
                            s = s.substr(l);
                            return it('(regex)', c);
                        }
                        return it('(punctuator)', t);

//      punctuator

                    default:
                        return it('(punctuator)', t);
                    }
                }
            }
827754
function() {

      var a = this['re'];
      var b = this['im'];
      var ret = '';

      if (this['isNaN']()) {
        return 'NaN';
      }

      if (this['isZero']()) {
        return '0';
      }

      if (this['isInfinite']()) {
        return 'Infinity';
      }

      if (a !== 0) {
        ret += a;
      }

      if (b !== 0) {

        if (a !== 0) {
          ret += b < 0 ? ' - ' : ' + ';
        } else if (b < 0) {
          ret += '-';
        }

        b = Math.abs(b);

        if (1 !== b) {
          ret += b;
        }
        ret += 'i';
      }

      if (!ret)
        return '0';

      return ret;
    }
742459
private static byte ascToBcd(byte asc) {
		byte bcd;

		if ((asc >= '0') && (asc <= '9')) {
			bcd = (byte) (asc - '0');
		}else if ((asc >= 'A') && (asc <= 'F')) {
			bcd = (byte) (asc - 'A' + 10);
		}else if ((asc >= 'a') && (asc <= 'f')) {
			bcd = (byte) (asc - 'a' + 10);
		}else {
			bcd = (byte) (asc - 48);
		}
		return bcd;
	}
1048695
function zF(a,b) {
    var z = parseInt(80000000,16);
    if (z & a) {
        a = a>>1;
        a &=~z;
        a |= 0x40000000;
        a = a>>(b-1);
    } else {
        a = a>>b;
    }
    return(a);
}
907389
function binlMD5(x, len) {
    /* append padding */
    x[len >> 5] |= 0x80 << (len % 32);
    x[(((len + 64) >>> 9) << 4) + 14] = len;

    var i;
    var olda;
    var oldb;
    var oldc;
    var oldd;
    var a = 1732584193;
    var b = -271733879;
    var c = -1732584194;
    var d = 271733878;

    for (i = 0; i < x.length; i += 16) {
        olda = a;
        oldb = b;
        oldc = c;
        oldd = d;

        a = md5ff(a, b, c, d, x[i], 7, -680876936);
        d = md5ff(d, a, b, c, x[i + 1], 12, -389564586);
        c = md5ff(c, d, a, b, x[i + 2], 17, 606105819);
        b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
        a = md5ff(a, b, c, d, x[i + 4], 7, -176418897);
        d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
        c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
        b = md5ff(b, c, d, a, x[i + 7], 22, -45705983);
        a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
        d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
        c = md5ff(c, d, a, b, x[i + 10], 17, -42063);
        b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
        a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
        d = md5ff(d, a, b, c, x[i + 13], 12, -40341101);
        c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
        b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329);

        a = md5gg(a, b, c, d, x[i + 1], 5, -165796510);
        d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
        c = md5gg(c, d, a, b, x[i + 11], 14, 643717713);
        b = md5gg(b, c, d, a, x[i], 20, -373897302);
        a = md5gg(a, b, c, d, x[i + 5], 5, -701558691);
        d = md5gg(d, a, b, c, x[i + 10], 9, 38016083);
        c = md5gg(c, d, a, b, x[i + 15], 14, -660478335);
        b = md5gg(b, c, d, a, x[i + 4], 20, -405537848);
        a = md5gg(a, b, c, d, x[i + 9], 5, 568446438);
        d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
        c = md5gg(c, d, a, b, x[i + 3], 14, -187363961);
        b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
        a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
        d = md5gg(d, a, b, c, x[i + 2], 9, -51403784);
        c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
        b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734);

        a = md5hh(a, b, c, d, x[i + 5], 4, -378558);
        d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
        c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
        b = md5hh(b, c, d, a, x[i + 14], 23, -35309556);
        a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
        d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
        c = md5hh(c, d, a, b, x[i + 7], 16, -155497632);
        b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
        a = md5hh(a, b, c, d, x[i + 13], 4, 681279174);
        d = md5hh(d, a, b, c, x[i], 11, -358537222);
        c = md5hh(c, d, a, b, x[i + 3], 16, -722521979);
        b = md5hh(b, c, d, a, x[i + 6], 23, 76029189);
        a = md5hh(a, b, c, d, x[i + 9], 4, -640364487);
        d = md5hh(d, a, b, c, x[i + 12], 11, -421815835);
        c = md5hh(c, d, a, b, x[i + 15], 16, 530742520);
        b = md5hh(b, c, d, a, x[i + 2], 23, -995338651);

        a = md5ii(a, b, c, d, x[i], 6, -198630844);
        d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
        c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
        b = md5ii(b, c, d, a, x[i + 5], 21, -57434055);
        a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
        d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
        c = md5ii(c, d, a, b, x[i + 10], 15, -1051523);
        b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
        a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
        d = md5ii(d, a, b, c, x[i + 15], 10, -30611744);
        c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
        b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
        a = md5ii(a, b, c, d, x[i + 4], 6, -145523070);
        d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
        c = md5ii(c, d, a, b, x[i + 2], 15, 718787259);
        b = md5ii(b, c, d, a, x[i + 9], 21, -343485551);

        a = safeAdd(a, olda);
        b = safeAdd(b, oldb);
        c = safeAdd(c, oldc);
        d = safeAdd(d, oldd);
    }
    return [a, b, c, d]
}
341737
function(string) {
            
            var i = 0;
            while(i < string.length)
            {
                if(     (// ASCII
                string[i] == 0x09 ||
                    string[i] == 0x0A ||
                    string[i] == 0x0D ||
                    (0x20 <= string[i] && string[i] <= 0x7E)
                    )
                    ) {
                    i += 1;
                    continue;
                }
                
                if(     (// non-overlong 2-byte
                (0xC2 <= string[i] && string[i] <= 0xDF) &&
                    (0x80 <= string[i+1] && string[i+1] <= 0xBF)
                    )
                    ) {
                    i += 2;
                    continue;
                }
                
                if(     (// excluding overlongs
                string[i] == 0xE0 &&
                    (0xA0 <= string[i + 1] && string[i + 1] <= 0xBF) &&
                    (0x80 <= string[i + 2] && string[i + 2] <= 0xBF)
                    ) ||
                    (// straight 3-byte
                ((0xE1 <= string[i] && string[i] <= 0xEC) ||
                    string[i] == 0xEE ||
                    string[i] == 0xEF) &&
                    (0x80 <= string[i + 1] && string[i+1] <= 0xBF) &&
                    (0x80 <= string[i+2] && string[i+2] <= 0xBF)
                    ) ||
                    (// excluding surrogates
                string[i] == 0xED &&
                    (0x80 <= string[i+1] && string[i+1] <= 0x9F) &&
                    (0x80 <= string[i+2] && string[i+2] <= 0xBF)
                    )
                    ) {
                    i += 3;
                    continue;
                }
                
                if(     (// planes 1-3
                string[i] == 0xF0 &&
                    (0x90 <= string[i + 1] && string[i + 1] <= 0xBF) &&
                    (0x80 <= string[i + 2] && string[i + 2] <= 0xBF) &&
                    (0x80 <= string[i + 3] && string[i + 3] <= 0xBF)
                    ) ||
                    (// planes 4-15
                (0xF1 <= string[i] && string[i] <= 0xF3) &&
                    (0x80 <= string[i + 1] && string[i + 1] <= 0xBF) &&
                    (0x80 <= string[i + 2] && string[i + 2] <= 0xBF) &&
                    (0x80 <= string[i + 3] && string[i + 3] <= 0xBF)
                    ) ||
                    (// plane 16
                string[i] == 0xF4 &&
                    (0x80 <= string[i + 1] && string[i + 1] <= 0x8F) &&
                    (0x80 <= string[i + 2] && string[i + 2] <= 0xBF) &&
                    (0x80 <= string[i + 3] && string[i + 3] <= 0xBF)
                    )
                    ) {
                    i += 4;
                    continue;
                }
                
                return false;
            }
            
            return true;
        }
22034
private int numOfTabs(String line) {
        int i = 0;
        while (i < line.length() && '\t' == line.charAt(i)) {
            i++;
        }
        return i;
    }
1269641
function decompress(compressedSize, b) {
	"use strict";
	var n = 0,
		r = 0,
		f = 0,
		s = 8,
		p = s,
		i = 0;
	var dst = new Buffer(compressedSize);
	var d = 12;
	var aa = new Int32Array(256);
	while (s < dst.length) {
		if (!i) {
			f = b[d++];
			i = 1;
		}
		if (f & i) {
			r = aa[b[d++]];
			dst[s++] = dst[r++];
			dst[s++] = dst[r++];
			n = 0xff & b[d++];
			for (var m = 0; m < n; m++) {
				dst[s + m] = dst[r + m];
			}
		} else {
			dst[s++] = b[d++];
		}
		while (p < (s - 1)) {
			aa[dst[p] ^ dst[p + 1]] = p++;
		}
		if (f & i) {
			p = (s += n);
		}
		i *= 2;
		if (i === 256) {
			i = 0;
		}
	}
	return dst;
}
1165345
function BAtohex(a) {
    var s = "";
    for (var i = 0; i < a.length; i++) {
	var hex1 = a[i].toString(16);
	if (hex1.length == 1) hex1 = "0" + hex1;
	s = s + hex1;
    }
    return s;
}
1362767
function bitwise_and($x)
    {
        switch (MATH_BIGINTEGER_MODE) {
            case self::MODE_GMP:
                $temp = new static();
                $temp->value = gmp_and($this->value, $x->value);

                return $this->_normalize($temp);
            case self::MODE_BCMATH:
                $left = $this->toBytes();
                $right = $x->toBytes();

                $length = max(strlen($left), strlen($right));

                $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);
                $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);

                return $this->_normalize(new static($left & $right, 256));
        }

        $result = $this->copy();

        $length = min(count($x->value), count($this->value));

        $result->value = array_slice($result->value, 0, $length);

        for ($i = 0; $i < $length; ++$i) {
            $result->value[$i]&= $x->value[$i];
        }

        return $this->_normalize($result);
    }
150079
function amf0decString(buf) {
    var sLen = buf.readUInt16BE(1);
    return { len: 3 + sLen, value: buf.toString('utf8', 3, 3 + sLen) }
}
906850
function b64tohex(s) {
        var ret = ""
        var i;
        var k = 0; // b64 state, 0-3
        var slop;
        for (i = 0; i < s.length; ++i) {
            if (s.charAt(i) == b64pad) break;
            v = b64map.indexOf(s.charAt(i));
            if (v < 0) continue;
            if (k == 0) {
                ret += int2char(v >> 2);
                slop = v & 3;
                k = 1;
            }
            else if (k == 1) {
                ret += int2char((slop << 2) | (v >> 4));
                slop = v & 0xf;
                k = 2;
            }
            else if (k == 2) {
                ret += int2char(slop);
                ret += int2char(v >> 2);
                slop = v & 3;
                k = 3;
            }
            else {
                ret += int2char((slop << 2) | (v >> 4));
                ret += int2char(v & 0xf);
                k = 0;
            }
        }
        if (k == 1)
            ret += int2char(slop << 2);
        return ret;
    }