<!--
function setCheckboxes(theForm, elementName, isChecked)
{
    var chkboxes = document.forms[theForm].elements[elementName];
    var count = chkboxes.length;

    if (count)
  {
        for (var i = 0; i < count; i++)
    {
            chkboxes[i].checked = isChecked;
      }
    }
  else
  {
      chkboxes.checked = isChecked;
    }

    return true;
}

var imageTag = false;
var theSelection = false;

var clientPC = navigator.userAgent.toLowerCase();
var clientVer = parseInt(navigator.appVersion);

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);

b_help = "Жирный текст: [b]текст[/b]  (alt+b)";
i_help = "Наклонный текст: [i]текст[/i]  (alt+i)";
u_help = "Подчёркнутый текст: [u]текст[/u]  (alt+u)";
q_help = "Цитата: [quote]текст[/quote]  (alt+q)";
c_help = "Код (программа): [code]код[/code]  (alt+c)";
l_help = "Список: [list]текст[/list] (alt+l)";
o_help = "Нумерованный список: [list=]текст[/list]  (alt+o)";
p_help = "Вставить картинку: [img]http://image_url[/img]  (alt+p)";
w_help = "Вставить ссылку: [url]http://url[/url] или [url=http://url]текст ссылки[/url]  (alt+w)";
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]";

function helpline(help) {
  document.post.helpbox.value = eval(help + "_help");
}


function emoticon(text) {
  var txtarea = document.post.message;
  text = ' ' + text + ' ';
  if (txtarea.createTextRange && txtarea.caretPos) {
    var caretPos = txtarea.caretPos;
    caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? caretPos.text + text + ' ' : caretPos.text + text;
    txtarea.focus();
  } else {
    txtarea.value  += text;
    txtarea.focus();
  }
}


function bbfontstyle(bbopen, bbclose) {
  var txtarea = document.post.message;

  if ((clientVer >= 4) && is_ie && is_win) {
    theSelection = document.selection.createRange().text;
    if (!theSelection) {
      txtarea.value += bbopen + bbclose;
      txtarea.focus();
      return;
    }
    document.selection.createRange().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);
}


bbcode = new Array();
bbtags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[quote]','[/quote]','[code]','[/code]','[list]','[/list]','[list=]','[/list]','[img]','[/img]','[url]','[/url]');
imageTag = false;


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


function arraypush(thearray,value) {
  thearray[ getarraysize(thearray) ] = value;
}


function arraypop(thearray) {
  thearraysize = getarraysize(thearray);
  retval = thearray[thearraysize - 1];
  delete thearray[thearraysize - 1];
  return retval;
}


function checkForm() {

  formErrors = false;


  if (document.post.message.value.length < 5) {
    formErrors = "Сообщение слишком короткое";
  }

  if (formErrors) {
    alert(formErrors);
    return false;
  } else {
    bbstyle(-1);

    return true;
  }
}


function bbstyle(bbnumber) {
  var txtarea = document.post.message;

  txtarea.focus();
  donotinsert = false;
  theSelection = false;
  bblast = 0;

  if (bbnumber == -1) {
    while (bbcode[0]) {
      butnumber = arraypop(bbcode) - 1;
      txtarea.value += bbtags[butnumber + 1];
      buttext = eval('document.post.addbbcode' + butnumber + '.value');
      eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
    }
    imageTag = false;
    txtarea.focus();
    return;
  }

  if ((clientVer >= 4) && is_ie && is_win)
  {
    theSelection = document.selection.createRange().text;
    if (theSelection) {

      document.selection.createRange().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;
  }

  for (i = 0; i < bbcode.length; i++) {
    if (bbcode[i] == bbnumber+1) {
      bblast = i;
      donotinsert = true;
    }
  }

  if (donotinsert) {
    while (bbcode[bblast]) {
        butnumber = arraypop(bbcode) - 1;
        txtarea.value += bbtags[butnumber + 1];
        buttext = eval('document.post.addbbcode' + butnumber + '.value');
        eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
        imageTag = false;
      }
      txtarea.focus();
      return;
  } else {

    if (imageTag && (bbnumber != 14)) {
      txtarea.value += bbtags[15];
      lastValue = arraypop(bbcode) - 1;
      document.post.addbbcode14.value = "Img";
      imageTag = false;
    }


    txtarea.value += bbtags[bbnumber];
    if ((bbnumber == 14) && (imageTag == false)) imageTag = 1;
    arraypush(bbcode,bbnumber+1);
    eval('document.post.addbbcode'+bbnumber+'.value += "*"');
    txtarea.focus();
    return;
  }
  storeCaret(txtarea);
}


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;
}


function storeCaret(textEl) {
  if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}

function pn(name)
{
  sqr_show();
  var txtarea = document.post.message;
  text = '[b]' + name + '[/b]' + '\r\n';
  if (txtarea.createTextRange && txtarea.caretPos)
  {
    var caretPos = txtarea.caretPos;
    caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? caretPos.text + text + ' ' : caretPos.text + text;
    txtarea.focus();
  }
  else
  {
    txtarea.value  += text;
    txtarea.focus();
  }
}

function sqr_show_hide()
{
  var id = 'sqr';
  var item = null;

  if (document.getElementById)
  {
    item = document.getElementById(id);
  }
  else if (document.all)
  {
    item = document.all[id];
  }
  else if (document.layers)
  {
    item = document.layers[id];
  }

  if (item && item.style)
  {
    if (item.style.display == "none")
    {
      item.style.display = "";
    }
    else
    {
      item.style.display = "none";
    }
  }
  else if (item)
  {
    item.visibility = "show";
  }
}

function sqr_show()
{
  var id = 'sqr';
  var item = null;

  if (document.getElementById)
  {
    item = document.getElementById(id);
  }
  else if (document.all)
  {
    item = document.all[id];
  }
  else if (document.layers)
  {
    item = document.layers[id];
  }

  if (item && item.style)
  {
    if (item.style.display == "none")
    {
      item.style.display = "";
    }
  }
  else if (item)
  {
    item.visibility = "show";
  }
}

var selection;


function catchSelection()
{
  if (window.getSelection)
  {
    selection = window.getSelection().toString();
  }
  else if (document.getSelection)
  {
    selection = document.getSelection();
  }
  else if (document.selection)
  {
    selection = document.selection.createRange().text;
  }
}

function quoteSelection(name)
{
  if (selection)
  {
    sqr_show();
    var txtarea = document.post.message;
    text = '[quote="'+name+'"]' + selection + '[/quote]\n';
    selection = '';
    txtarea.value  += text;
    txtarea.focus();
  }
  else
  {
    alert('Выделите текст на странице и попробуйте еще раз');
    return;
  }
}


//-->