// Comments

var imageTag = false;
var theSelection = false;
// Array für BB-Code Parser | @@ Peter Beauvain, 2004-05-27
bbcode = new Array();
bbtags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[align=left]','[/align]','[center]','[/center]','[align=right]','[/align]','[align=justify]','[/align]','[ul]','[/ul]','[li]','[/li]','[img]','[/img]','[url]','[/url]','[email]','[/email]','[lart= lang=]','','[code]','[/code]','[php]','[/php]','[quote]','[/quote]');
imageTag = false;
//-----------------------------------------------
// Browser Variablen | @@ Peter Beauvain, 2004-05-27
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);
//------------------------------------------------
// Array der Texte für die Permanent Hilfe  | @@ Peter Beauvain, 2004-05-27
a_help = "Alle noch offenen UBB-Tags schließen:[/..]";
b_help = "Text in fett: [b]Text[/b]";
i_help = "Text in kursiv: [i]Text[/i]";
u_help = "Unterstrichener Text: [u]Text[/u]";
l_help ="Linksbündiger Text: [align=left]Text[/align]";
c_help ="Zentrierter Text: [center]Text[/center]";
r_help ="Linksbündiger Text: [align=right]Text[/align]";
j_help ="Text im Blocksatz: [align=justify]Text[/align]";
ul_help ="Geordnete Liste: [ul]Text[/ul]";
li_help ="Listenelement: [li]Text[/li]";

url_help ="Link: [url]www.tkkg-site.de[/url] oder [url=www.tkkg-site.de]Text[/url]";
mail_help ="eMail Adresse:[email]acquire@tkkg-site.de[/email]";


s_help ="Schriftfarbe: [color=red]Text[/color]";
t_help ="Schriftgröße: [size=7]kleiner Text[/size] bis [size=24]großer Text[/size]";
icon1_help ="Emoticon Augenzwinkern :wink:";
icon2_help ="Emoticon Lachen :smile:";
icon3_help ="Emoticon Information :info:";
icon4_help ="Emoticon Achtung! :!:";
icon5_help ="Emoticon Cool :cool:";

//---------------------------------------------

// Funktion für die Permanent Hilfe | @@ Peter Beauvain, 2004-05-27
function helpline(help)
{
   document.comments.helpbox.value = eval(help + "_help");
}

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 | @@ Peter Beauvain, 2004-05-27
// 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 | @@ Peter Beauvain, 2004-05-27
// 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;
}
// Funktion für die Textgrössen | @@ Peter Beauvain, 2004-05-27

function bbfontstyle(bbopen, bbclose)
{
   var txtarea = document.comments.commenttext;

   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);
}

//Funktion für die Abfrage der Buttons  | @@ Peter Beauvain, 2004-05-27

function bbstyle(bbnumber)
{
   var txtarea = document.comments.commenttext;

   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];

      }
      imageTag = false; // All tags are closed including image tags :D
      txtarea.focus();
      return;
   }

   if ((clientVer >= 4) && is_ie && is_win)
   {
      theSelection = document.selection.createRange().text; // Get text selection
      if (theSelection) {
         // Add tags around selection
         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;
   }

   // 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];

            imageTag = false;
         }
         txtarea.focus();
         return;
   } else { // Open tags

      if (imageTag && (bbnumber != 18)) {      // Close image tag before adding another
         txtarea.value += bbtags[19];
         lastValue = arraypop(bbcode) - 1;   // Remove the close image tag from the list

         imageTag = false;
      }

      // Open tag
      txtarea.value += bbtags[bbnumber];
      if ((bbnumber == 18) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed image tag
      arraypush(bbcode,bbnumber+1);

      txtarea.focus();
      return;
   }
   storeCaret(txtarea);
}


function Picture(pic,title,width,height)
{
   popup=window.open(pic, title,'width='+width+',height='+height+',toolbar=no,directories=no,status=no,scrollbars=no,resizable=yes,menubar=no');
   popup.focus();
}

// Taken from http://www.massless.org/mozedit/
var thisForm;

function mozWrap(txtarea, lft, rgt)
{
   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 + lft + s2 + rgt + s3;
}


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

// 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();
}