// bbCode control by
// subBlue design
// www.subBlue.com

// Startup variables
var imageTag = false;
var theSelection = false;

// Check for Browser & Platform for PC & IE specific bits
// More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var clientVer = parseInt(navigator.appVersion); // Get browser version

var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
var is_nav = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
                && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));
var is_moz = 0;

var is_win = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_mac = (clientPC.indexOf("mac")!=-1);

// Helpline messages
b_help = "Жирный текст: [b]текст[/b]";
i_help = "Наклонный текст: [i]текст[/i]";
u_help = "Подчёркнутый текст: [u]текст[/u]";
st_help = "Зачеркнутый текст: [s]текст[/s]";
q_help = "Цитата: [quote]текст[/quote]";
c_help = "Код (программа): [code]код[/code]";
l_help = "Список: [list]текст[/list]";
o_help = "Нумерованный список: [list=1][*]строка1[*]строка2...[/list]. Алфавитный список: [list=A][*]строка1[*]строка2...[/list]";
p_help = "Вставить картинку: [img]http://image_url[/img]";
w_help = "Вставить ссылку: [url]http://url[/url] или [url=http://url]текст ссылки[/url]";
a_help = "Закрыть все открытые теги bbCode";
s_help = "Цвет шрифта: [color=red]текст[/color]  Подсказка: можно использовать color=#FF0000";
f_help = "Размер шрифта: [size=x-small]маленький текст[/size]";
r_help = "Перевод из транслита на русский: [rus]Vot i ja mogu pisat' po-russki![/rus]";
t_help = "Выделение оффтопика: [off]Поофтопим немного![/off]";

// Define the bbCode tags
bbcode = new Array();
bbtags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[q]','[/q]','[code]','[/code]','[list]','[/list]','[list=]','[/list]','[img]','[/img]','[url]','[/url]','[rus]','[/rus]','[off]','[/off]','[s]','[/s]');
imageTag = false;

// Shows the help messages in the helpline window
function helpline(help) {
        document.REPLIER.helpbox.value = eval(help + "_help");
}


// Replacement for arrayname.length property
function getarraysize(thearray) {
        for (i = 0; i < thearray.length; i++) {
                if ((thearray[i] == "undefined") || (thearray[i] == "") || (thearray[i] == null))
                        return i;
                }
        return thearray.length;
}

// Replacement for arrayname.push(value) not implemented in IE until version 5.5
// Appends element to the array
function arraypush(thearray,value) {
        thearray[ getarraysize(thearray) ] = value;
}

// Replacement for arrayname.pop() not implemented in IE until version 5.5
// Removes and returns the last element of an array
function arraypop(thearray) {
        thearraysize = getarraysize(thearray);
        retval = thearray[thearraysize - 1];
        delete thearray[thearraysize - 1];
        return retval;
}


function checkForm() {

        formErrors = false;

        if (document.REPLIER.msg.value.length < 2) {
                formErrors = "Нужно ввести текст сообщения";
        }

        if (formErrors) {
                alert(formErrors);
                return false;
        } else {
                bbstyle(-1);
                //formObj.preview.disabled = true;
                //formObj.submit.disabled = true;
                return true;
        }
}

function bbfontstyle(bbopen, bbclose) {
        var txtarea = document.REPLIER.msg;

        if ((clientVer >= 4) && is_ie && is_win) {
                if (!txtarea.caretPos) return;
                theSelection = txtarea.caretPos.text;
                if (!theSelection) {
                        txtarea.value += bbopen + bbclose;
                        txtarea.focus();
                        return;
                }
                txtarea.caretPos.text = bbopen + theSelection + bbclose;
                txtarea.focus();
                return;
        }
        else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
        {
                mozWrap(txtarea, bbopen, bbclose);
                return;
        }
        else
        {
                txtarea.value += bbopen + bbclose;
                txtarea.focus();
        }
        storeCaret(txtarea);
}


function bbstyle(bbnumber) {
        var txtarea = document.REPLIER.msg;

        donotinsert = false;
        theSelection = false;
        bblast = 0;

        if (bbnumber == -1) { // Close all open tags & default button names
                while (bbcode[0]) {
                        butnumber = arraypop(bbcode) - 1;
                        txtarea.value += bbtags[butnumber + 1];
                        buttext = eval('document.REPLIER.addbbcode' + butnumber + '.value');
                        eval('document.REPLIER.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
                }
                imageTag = false; // All tags are closed including image tags :D
                txtarea.focus();
                return;
        }

        if ((clientVer >= 4) && is_ie && is_win)
        {
                if (!txtarea.caretPos) return;
                theSelection = txtarea.caretPos.text; // Get text selection
                if (theSelection && txtarea.caretPos.text) {
                        // Add tags around selection

                        txtarea.caretPos.text = bbtags[bbnumber] + theSelection + bbtags[bbnumber+1];
                        txtarea.focus();
                        theSelection = '';
                        return;
                }
        }
        else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
        {
                mozWrap(txtarea, bbtags[bbnumber], bbtags[bbnumber+1]);
                return;
        }

        // Find last occurance of an open tag the same as the one just clicked
        for (i = 0; i < bbcode.length; i++) {
                if (bbcode[i] == bbnumber+1) {
                        bblast = i;
                        donotinsert = true;
                }
        }

        if (donotinsert) {                // Close all open tags up to the one just clicked & default button names
                while (bbcode[bblast]) {
                                butnumber = arraypop(bbcode) - 1;
                                txtarea.value += bbtags[butnumber + 1];
                                buttext = eval('document.REPLIER.addbbcode' + butnumber + '.value');
                                eval('document.REPLIER.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
                                imageTag = false;
                        }
                        txtarea.focus();
                        return;
        } else { // Open tags

                if (imageTag && (bbnumber != 14)) {                // Close image tag before adding another
                        txtarea.value += bbtags[15];
                        lastValue = arraypop(bbcode) - 1;        // Remove the close image tag from the list
                        document.REPLIER.addbbcode14.value = "Img";        // Return button back to normal state
                        imageTag = false;
                }

                // Open tag
                txtarea.value += bbtags[bbnumber];
                if ((bbnumber == 14) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed image tag
                arraypush(bbcode,bbnumber+1);
                eval('document.REPLIER.addbbcode'+bbnumber+'.value += "*"');
                txtarea.focus();
                return;
        }
        storeCaret(txtarea);
}

// From http://www.massless.org/mozedit/
function mozWrap(txtarea, open, close)
{
        var selLength = txtarea.textLength;
        var selStart = txtarea.selectionStart;
        var selEnd = txtarea.selectionEnd;
        if (selEnd == 1 || selEnd == 2)
                selEnd = selLength;

        var s1 = (txtarea.value).substring(0,selStart);
        var s2 = (txtarea.value).substring(selStart, selEnd)
        var s3 = (txtarea.value).substring(selEnd, selLength);
        txtarea.value = s1 + open + s2 + close + s3;
        return;
}

// Insert at Claret position. Code from
// http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
function storeCaret(textEl) {
        if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}

function zitata()
{
 if (document.getSelection) {
    var str = document.getSelection()
    if (window.RegExp){
      var regstr = unescape("%20%20")
      var regexp = new RegExp(regstr, "g")
      str = str.replace(regexp, " ")
    }
  } else if (document.selection && document.selection.createRange) {
           var range = document.selection.createRange()
           var str = range.text
         } else var str = "Извините, ваш браузер не поддерживает это."
  document.forms[0].elements[6].value += '[q]'+str+'[/q]'
}

function pasteN(text){
  document.REPLIER.msg.focus();
  if (text != '') document.REPLIER.msg.value = document.REPLIER.msg.value + "[b]" + text + "[/b]\n";
}

function copyQ(name) {
txt=''
if (document.getSelection) {txt=document.getSelection()}
else if (document.selection) {txt=document.selection.createRange().text;}
if(name==null)
{txt='[quote]'+txt+'[/quote]\n'}
else{txt='[quote:'+name+']'+txt+'[/quote]\n'}
}

function pasteQ() {
document.REPLIER.msg.value=document.REPLIER.msg.value+txt;
}

function sm(text){
if (text!="") paste(text, 1);
}

function SelectAll (chbox, chtext){
 for(var i =0; i < chbox.form.elements.length; i++){
     if(chbox.form.elements[i].name.indexOf(chtext) == 0){
        chbox.form.elements[i].checked = chbox.checked;
       }
    }
}

function CreateWnd(url, width, height, wndname){
  if (wndname != ''){
      for (var i=0; i < parent.frames.length; i++){
           if (parent.frame[i].name == wndname){
               parent.frame[i].focus();
               return;
              }
          }
    }
  window.open(url, wndname,'width=' + width + ',height=' + height + ',resizable=1,scrollbars=yes,menubar=yes,status=yes');
}