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 = "Texte gras: [b]texte[/b]";
i_help = "Texte italique: [i]texte[/i]";
u_help = "Texte souligné: [u]texte[/u]";
q_help = "Citation: [quote]texte cité[/quote]";
c_help = "Afficher du code: [code]code[/code]";
l_help = "Liste: [list]texte[/list]";
o_help = "Liste ordonnée: [list=]texte[/list]";
p_help = "Insérer une image: [img]http://image_url/[/img]";
w_help = "Insérer un lien: [url]http://url/[/url] ou [url=http://url/]Nom[/url]";
a_help = "Fermer toutes les balises BBCode ouvertes";
s_help = "Couleur du texte: [color=red]texte[/color] Astuce: #FF0000 fonctionne aussi";
f_help = "Taille du texte: [size=x-small]texte en petit[/size]";
d_help = "Insérer une vidéo. Dailymotion : [dailymotion]codevideo[/dailymotion] ou Vidéo Youtube : [youtube]codevideo[/youtube]";
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 helpline(help)
{
	document.post.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;
}
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 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;
		}
		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();
}