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

var b_help = "Lihavoitu teksti: [b]teksti[/b]";
var i_help = "Kursivoi teksti: [i]teksti[/i]";
var u_help = "Alleviiva teksti: [u]teksti[/u]";
var q_help = "Lainaa teksti: [quote]teksti[/quote]";
var c_help = "Näytä koodimuodossa: [code]koodi[/code]";
var p_help = "Lisää kuva: [img]http://kuvan_osoite[/img]";
var w_help = "Lisää linkki: [url]http://osoite[/url] tai [url=http://osoite]teksti[/url]";
var a_help = "Sulje kaikki avoimet BBKoodi-tagit";


function confirmCancel() {
	foo = confirm('Oletko varma, että haluat peruuttaa toiminnon?');
	if(foo){
	  	return true;
	}else{
		return false;
	}
}

function forumCellOver(obj) {
	if(dyn)
		obj.style.backgroundColor = '#EEEEEE';
}
function forumCellOut(obj) {
	if(dyn)
		obj.style.backgroundColor = '#FFFFFF';
}

function changeSelected(formRef){
	for(i = 0;  i < document.forms[formRef].length; i++){
		if(document.forms[formRef].elements[i].type != 'checkbox'){
			continue;
		}
		document.forms[formRef].elements[i].checked = (document.forms[formRef].elements[i].checked) ? '' : 'true';
	}
}

function hideShowCategory(catId, forumIds) {
	if(!document.getElementById) {
		return;
	}
	var myElement = document.getElementById('cat_' + catId + '_' + forumIds[0]);
	var myStyle = (myElement.style.display == 'none') ? '' : 'none';
	var cookieName = 'ForumFoldedCategories[' + catId + ']';
	var expireDate = new Date ();

	expireDate.setYear(expireDate.getFullYear() + 1);

	myElement.style.display = myStyle;
	for (i = 1; i < forumIds.length; i++) {
		myElement = document.getElementById('cat_' + catId + '_' + forumIds[i]);
		myStyle = (myElement.style.display == 'none') ? '' : 'none';
		myElement.style.display = myStyle;
	}	
	if(myStyle == '') {
		document.images['cat_' + catId + '_arrow'].src = '/img/forum/icon_up.gif';
		deleteCookie(cookieName);
	}else{
		document.images['cat_' + catId + '_arrow'].src = '/img/forum/icon_down.gif';
		setCookie(cookieName, '1', expireDate);
	}
	
}

function hideShowSpoiler(elemId) {
	if(!document.getElementById) {
		return;
	}
	myElement = document.getElementById(elemId);
	myStyle = (myElement.style.display == 'none') ? '' : 'none';
	myElement.style.display = myStyle;
	if(myStyle == '') {
		document.images['i' + elemId].src = '/img/forum/minus.gif';
	}else{
		document.images['i' + elemId].src = '/img/forum/plus.gif';
	}		
}

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

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 bbstyle(bbnumber, append, close) {
	var txtarea = document.msgform.post_text;

	theSelection = false;
	bblast = 0;

	if(bbnumber == -1){
		while (bbcode[0]) {
			codeNum = arraypop(bbcode) - 1;
			txtarea.value += bbtags[codeNum + 1];
		}
		imageTag = false;
		txtarea.focus();
		return;
	}
	if(append == 'undefined' || append == '' || append == null){
		start = bbtags[bbnumber];
	}else{
		str = bbtags[bbnumber];
		start = str.substring(0, str.length - 1) + append + str.substring(str.length-1);
	}
	if(close == 'undefined' || close == '' || close == null){
		donotinsert = false;
	}else{
		donotinsert = true;
	}

	if ((clientVer >= 4) && is_ie && is_win){
		theSelection = document.selection.createRange().text;
		if (theSelection){
			document.selection.createRange().text = start + theSelection + bbtags[bbnumber + 1];
			txtarea.focus();
			theSelection = '';
			return;
		}
	}else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0)){
		mozWrap(txtarea, start, 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]){
				codeNum = arraypop(bbcode) - 1;
				txtarea.value += bbtags[codeNum + 1];
				document.images['style' + bbnumber].src = '/img/forum/bbcode_style' + (bbnumber) + '.gif';
				imageTag = false;
			}
			txtarea.focus();
			return;
	}else{
		if (imageTag && (bbnumber != 10)) {
			txtarea.value += bbtags[11];
			lastValue = arraypop(bbcode) - 1;
			imageTag = false;
		}
		document.images['style' + bbnumber].src = '/img/forum/bbcode_style' + (bbnumber + 1) + '.gif';
		txtarea.value += start;
		if ((bbnumber == 10) && (imageTag == false)) imageTag = 1;
		arraypush(bbcode,bbnumber+1);
		txtarea.focus();
		return;
	}
	storeCaret(txtarea);
}

function emoticon(text) {
	var txtarea = document.msgform.post_text;
	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();
	}
}


function bbcode_bold(){
	bbstyle(0);
}
function bbcode_italicize(){
	bbstyle(2);
}
function bbcode_underline(){
	bbstyle(4);
}
function bbcode_hyperlink(){
	bbstyle(12);
}
function bbcode_email(){
	bbstyle(14);
}
function bbcode_image(){
	bbstyle(10);
}
function bbcode_code(){
	bbstyle(8);
}
function bbcode_quote(){
	bbstyle(6);
}

function bbcode_close(){
	bbstyle(-1)
}

function helpline(help){
	if(dyn){
		document.getElementById('helpline').innerHTML = 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;
}

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