function o2escape(str) {
    var translationTable = {
        " " : "+",
        "�" : "%00",
        "
" : "%01",
        "" : "%02",
        "" : "%03",
        "" : "%04",
        "" : "%05",
        "" : "%06",
        "" : "%07",
        "" : "%08",
        "\t" : "%09",
        "\n" : "%0a",
        "" : "%0b",
        "" : "%0c",
        "\r" : "%0d",
        "" : "%0e",
        "" : "%0f",
        "" : "%10",
        "" : "%11",
        "" : "%12",
        "" : "%13",
        "" : "%14",
        "" : "%15",
        "" : "%16",
        "" : "%17",
        "" : "%18",
        "" : "%19",
        "" : "%1a",
        "" : "%1b",
        "" : "%1c",
        "" : "%1d",
        "" : "%1e",
        "" : "%1f",
        //        " " : "%20", // Space
        "!" : "%21",
        '"' : "%22",
        "#" : "%23",
        "$" : "%24",
        "%" : "%25",
        "&" : "%26",
        "'" : "%27",
        "(" : "%28",
        ")" : "%29",
        "*" : "%2a",
        "+" : "%2b",
        "," : "%2c",
        "-" : "%2d",
        "." : "%2e",
        "/" : "%2f",
        ":" : "%3a",
        ";" : "%3b",
        "<" : "%3c",
        "=" : "%3d",
        ">" : "%3e",
        "?" : "%3f",
        "@" : "%40",
        "[" : "%5b",
        "\\": "%5c",
        "]" : "%5d",
        "^" : "%5e",
        "_" : "%5f",
        "`" : "%60",
        "{" : "%7b",
        "|" : "%7c",
        "}" : "%7d",
        "~" : "%7e",
        "" : "%7f",
        "�" : "%80",
        "�" : "%81", // Used somewhere else
        "�" : "%82",
        "�" : "%83",
        "�" : "%84",
        "�" : "%85",
        "�" : "%86",
        "�" : "%87",
        "�" : "%88",
        "�" : "%89",
        "�" : "%8a",
        "�" : "%8b",
        "�" : "%8c",
        "�" : "%8d",
        "�" : "%8e",
        "�" : "%8f",
        "�" : "%90",
        "�" : "%91",
        "�" : "%92",
        "�" : "%93",
        "�" : "%94",
        "�" : "%95",
        "�" : "%96",
        "�" : "%97",
        "�" : "%98",
        "�" : "%99",
        "�" : "%9a",
        "�" : "%9b",
        "�" : "%9c",
        "�" : "%9d",
        "�" : "%9e",
        "�" : "%9f",
        "�" : "%a0", // No-break space
        "�" : "%a1",
        "�" : "%a2",
        "�" : "%a3",
        "�" : "%a4",
        "�" : "%a5",
        "�" : "%a6",
        "�" : "%a7",
        "�" : "%a8",
        "�" : "%a9",
        "�" : "%aa",
        "�" : "%ab",
        "�" : "%ac",
        "�" : "%ad",
        "�" : "%ae",
        "�" : "%af",
        "�" : "%b0",
        "�" : "%b1",
        "�" : "%b2",
        "�" : "%b3",
        "�" : "%b4",
        "�" : "%b5",
        "�" : "%b6",
        "�" : "%b7",
        "�" : "%b8",
        "�" : "%b9",
        "�" : "%ba",
        "�" : "%bb",
        "�" : "%bc",
        "�" : "%bd",
        "�" : "%be",
        "�" : "%bf",
        "�" : "%c0",
        "�" : "%c1",
        "�" : "%c2",
        "�" : "%c3",
        "�" : "%c4",
        "�" : "%c5",
        "�" : "%c6",
        "�" : "%c7",
        "�" : "%c8",
        "�" : "%c9",
        "�" : "%ca",
        "�" : "%cb",
        "�" : "%cc",
        "�" : "%cd",
        "�" : "%ce",
        "�" : "%cf",
        "�" : "%d0",
        "�" : "%d1",
        "�" : "%d2",
        "�" : "%d3",
        "�" : "%d4",
        "�" : "%d5",
        "�" : "%d6",
        "�" : "%d7",
        "�" : "%d8",
        "�" : "%d9",
        "�" : "%da",
        "�" : "%db",
        "�" : "%dc",
        "�" : "%dd",
        "�" : "%de",
        "�" : "%df",
        "�" : "%e0",
        "�" : "%e1",
        "�" : "%e2",
        "�" : "%e3",
        "�" : "%e4",
        "�" : "%e5",
        "�" : "%e6",
        "�" : "%e7",
        "�" : "%e8",
        "�" : "%e9",
        "�" : "%ea",
        "�" : "%eb",
        "�" : "%ec",
        "�" : "%ed",
        "�" : "%ee",
        "�" : "%ef",
        "�" : "%f0",
        "�" : "%f1",
        "�" : "%f2",
        "�" : "%f3",
        "�" : "%f4",
        "�" : "%f5",
        "�" : "%f6",
        "�" : "%f7",
        "�" : "%f8",
        "�" : "%f9",
        "�" : "%fa",
        "�" : "%fb",
        "�" : "%fc",
        "�" : "%fd",
        "�" : "%fe",
        "�" : "%ff"
    };
    var resultString = "";
    if (!str) {
      return "";
    }
    for (var i = 0; i < str.length; i++) {
        var char = str.substring(i, i+1);
        if (translationTable[char]) {
            resultString += translationTable[char];
        }
        else {
            resultString += char;
        }
    }
    // alert(resultString);
    return resultString;
}