// Startup variables
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);
 
// Define the bbCode tags
bbcode = new Array();
bbtags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[quote]','[/quote]','[code]','[/code]','[list]','[/list]','[list=]','[/list]','[img]','[/img]','[url]','[/url]','[center]','[/center]');
imageTag = false;
 
// 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() 
{
	bbstyle(-1);
	return true;
}
 
function emoticon(text) 
{
	var txtarea = document.post.message;
	var txt;
	
	Cursor_GetPos(txt);
	
	
	text = ' ' + text + ' ';
	if (txtarea.createTextRange) 
	{
		var szTmp = document.selection.createRange();
		szTmp.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);
}
 
 
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;
		}
 
		// Open tag
		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 Get_NbrCR(txt_){
  var NbrCR = 0;
  var Pos = txt_.indexOf("\r\n");
  while( Pos > -1){
    Pos = txt_.indexOf("\r\n", Pos+2);
    NbrCR ++;
  }
  return( NbrCR);
}

function Cursor_GetPos(){
  //-- Recup l'Objet
  var Obj= document.post.message;
  if( Obj){
		//-- Focus sur Objet
    Obj.focus();
    if(typeof Obj.selectionStart != "undefined")
      return Obj.selectionStart;
    else{ // IE and consort
      var szMark = "~~";
      var Chaine = Obj.value;
      //-- Cree un double et insert la Mark ou est le curseur
      var szTmp = document.selection.createRange();
      szTmp.text = szMark;
			
      //-- Recup. la position du curseur
      var PosDeb = Obj.value.search(szMark);
      //-(*)- Supprime les retours Chariot
      var szAvant  = Chaine.substring( 0 , PosDeb);
      PosDeb -= Get_NbrCR( szAvant);
      //-- Restaure valeur initiale
      Obj.value = Chaine;
      Chaine = Obj.createTextRange();
      //-- Deplace le Debut de la chaine
      Chaine.moveStart('character', PosDeb);
      //-- Deplace le curseur
      Chaine.collapse();
      Chaine.select();
			
      return( PosDeb);
    }
  }
}