// bbCode control by
// subBlue design
// www.subBlue.com

// Startup variables
var imageTag = false;
var theSelection = false;

// Check for Browser & Platform for PC & IE specific bits
// More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
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);

bbcode = new Array();
bbtags = new Array('<b>','</b>','<i>','</i>','<u>','</u>','<quote>','</quote>','[caption align="left"]','[/caption]','[caption align="right"]','[/caption]','[pagebreak]','','{list}','{/list}','{list=}','{/list}'); 
//I had to change these into curly brackets because it didnt render properly in vbulletin. Change back into '[' and ']'. - Blodo
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 checkForm() {

    formErrors = false;

    if (document.post.message.value.length < 2) {
        formErrors = "You must enter a message when posting.";
    }

    if (formErrors) {
        alert(formErrors);
        return false;
    } else {
        bbstyle(-1);
        //formObj.preview.disabled = true;
        //formObj.submit.disabled = true;
        return true;
    }
}

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);
}


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; // Get text selection
        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);
}

// From http://www.massless.org/mozedit/
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;
}

// Insert at Claret position. Code from
// http://www.faqts.com/knowledge_base/...d/1052/fid/130
function storeCaret(textEl) {
    if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}