// Copyright (c) 2004 Rafael Kukawski - http://rafael.webhelp.pl
D = document,
S = [],
T = [],
C = alert,
B = unescape;
onload = function () {
    F = D.getElementById('txt')
}

function bbcode(x, z, id) {
    F = D.getElementById(id);
    (z = s()) ? A('[' + x + ']' + z + '[/' + x + ']') : R(x)
}

function A(x) {
    D.selection ? (F.focus(), D.selection.createRange().text = x) : (F.selectionStart || F.selectionStart == '0') ? F.value = F.value.substring(0, F.selectionStart) + x + F.value.substring(F.selectionEnd, F.value.length) : F.value += x
}

function s() {
    return D.selection ? D.selection.createRange().text : F.value.substring(F.selectionEnd || 0, F.selectionStart || 0)
}

function R(x) {
    T[x] ? '' : T[x] = 0;
    T[x] ? CT(x) : (S.push(x), T[x] = 1, A('[' + x + ']'), St(x, '*'))
}

function St(i, x) {
    D.getElementById(i).value = i + x
}
Z = '%52%4b';

function emot(x) {
    A(x)
}

function CT(x, a) {
    T[a = S.pop()] = 0;
    A('[/' + a + ']');
    St(a, '');
    a != x ? CT(x) : ''
}

function CA(e) {
    while (S[0]) {
        A('[/' + (e = S.pop()) + ']');
        T[e] = 0;
        St(e, '')
    }
}