var B_open = 0;
var I_open = 0;
var U_open = 0;
var ALINTI_open = 0;
var CODE_open = 0;
var SQL_open = 0;
var HTML_open = 0;

var bbtags   = new Array();

var myAgent   = navigator.userAgent.toLowerCase();
var myVersion = parseInt(navigator.appVersion);

var is_ie   = ((myAgent.indexOf("msie") != -1)  && (myAgent.indexOf("opera") == -1));
var is_nav  = ((myAgent.indexOf('mozilla')!=-1) && (myAgent.indexOf('spoofer')==-1)
                && (myAgent.indexOf('compatible') == -1) && (myAgent.indexOf('opera')==-1)
                && (myAgent.indexOf('webtv') ==-1)       && (myAgent.indexOf('hotjava')==-1));

var is_win   =  ((myAgent.indexOf("win")!=-1) || (myAgent.indexOf("16bit")!=-1));
var is_mac    = (myAgent.indexOf("mac")!=-1);

// Set the initial radio button status based on cookies

var allcookies = document.cookie;
var pos = allcookies.indexOf("bbmode=");

prep_mode();

function prep_mode()
{
        if (pos != 1) {
                var cstart = pos + 7;
                var cend   = allcookies.indexOf(";", cstart);
                if (cend == -1) { cend = allcookies.length; }
                cvalue = allcookies.substring(cstart, cend);

                
        }
        else {
                // default to normal mode.
                
			
        }
}

function setmode(mVal)
{
        document.cookie = "bbmode="+mVal+"; path=/; expires=Wed, 1 Jan 2020 00:00:00 GMT;";
}

function get_easy_mode_state()
{
        // Returns true if we've chosen easy mode

       
}

//--------------------------------------------
// Set the help bar status
//--------------------------------------------

function hstat(msg)
{
        document.REPLIER.helpbox.value = eval( "help_" + msg );
}

// Set the number of tags open box

function cstat()
{
        var c = stacksize(bbtags);

        if ( (c < 1) || (c == null) ) {
                c = 0;
        }

        if ( ! bbtags[0] ) {
                c = 0;
        }

        document.REPLIER.tagcount.value = c;
}

//--------------------------------------------
// Get stack size
//--------------------------------------------

function stacksize(thearray)
{
        for (i = 0 ; i < thearray.length; i++ ) {
                if ( (thearray[i] == "") || (thearray[i] == null) || (thearray == 'yazıyı yazın') ) {
                        return i;
                }
        }

        return thearray.length;
}

//--------------------------------------------
// Push stack
//--------------------------------------------

function pushstack(thearray, newval)
{
        arraysize = stacksize(thearray);
        thearray[arraysize] = newval;
}

//--------------------------------------------
// Pop stack
//--------------------------------------------

function popstack(thearray)
{
        arraysize = stacksize(thearray);
        theval = thearray[arraysize - 1];
        delete thearray[arraysize - 1];
        return theval;
}


//--------------------------------------------
// Close all tags
//--------------------------------------------

function closeall()
{
        if (bbtags[0]) {
                while (bbtags[0]) {
                        tagRemove = popstack(bbtags)
                        document.sss.messagext.value += "[/" + tagRemove + "]";

                        // Change the button status
                        // Ensure we're not looking for FONT, SIZE or COLOR as these
                        // buttons don't exist, they are select lists instead.

                        if ( (tagRemove != 'FONT') && (tagRemove != 'BOYUT') && (tagRemove != 'RENK') )
                        {
                                eval("document.REPLIER." + tagRemove + ".value = ' " + tagRemove + " '");
                                eval(tagRemove + "_open = 0");
                        }
                }
        }

        // Ensure we got them all
        document.REPLIER.tagcount.value = 0;
        bbtags = new Array();
        document.sss.messagext.focus();
}

//--------------------------------------------
// EMOTICONS
//--------------------------------------------

function emoticon(theSmilie)
{
        doInsert(" " + theSmilie + " ", "", false);
}

//--------------------------------------------
// ADD CODE
//--------------------------------------------

function add_code(NewCode)
{
    document.sss.messagext.value += NewCode;
    document.sss.messagext.focus();
}

//--------------------------------------------
// ALTER FONT
//--------------------------------------------

function alterfont(theval, thetag)
{
    if (theval == 0)
            return;

        if(doInsert("[" + thetag + "=" + theval + "]", "[/" + thetag + "]", true))
                pushstack(bbtags, thetag);

    document.REPLIER.ffont.selectedIndex  = 0;
    document.REPLIER.fsize.selectedIndex  = 0;
    document.REPLIER.fcolor.selectedIndex = 0;

}


//--------------------------------------------
// SIMPLE TAGS (such as B, I U, etc)
//--------------------------------------------

function simpletag(thetag)
{
        var tagOpen = eval(thetag + "_open");

        if ( get_easy_mode_state() ) {
                inserttext = prompt(prompt_start + "\n[" + thetag + "]xxx[/" + thetag + "]");
                if ( (inserttext != null) && (inserttext != "") ) {
                        doInsert("[" + thetag + "]" + inserttext + "[/" + thetag + "] ", "", false);
                }
        }
        else {
                if (tagOpen == 0) {
                        if(doInsert("[" + thetag + "]", "[/" + thetag + "]", true)){
                                eval(thetag + "_open = 1");
                                // Change the button status
                                eval("document.REPLIER." + thetag + ".value += '*'");

                                pushstack(bbtags, thetag);
                                cstat();
                                hstat('click_close');
                        }
                }
                else {
                        // Find the last occurance of the opened tag
                        lastindex = 0;

                        for (i = 0 ; i < bbtags.length; i++ ) {
                                if ( bbtags[i] == thetag ) {
                                        lastindex = i;
                                }
                        }

                        // Close all tags opened up to that tag was opened
                        while (bbtags[lastindex]) {
                                tagRemove = popstack(bbtags);
                                doInsert("[/" + tagRemove + "]", "", false)

                                // Change the button status
                                eval("document.REPLIER." + tagRemove + ".value = ' " + tagRemove + " '");
                                eval(tagRemove + "_open = 0");
                        }

                        cstat();
                }
        }
}


function tag_url()
{
    var FoundErrors = '';
    var enterURL   = prompt(text_enter_url, "http://");
    var enterTITLE = prompt(text_enter_url_name, "Web Sitesi");

    if (!enterURL) {
        FoundErrors += " " + error_no_url;
    }
    if (!enterTITLE) {
        FoundErrors += " " + error_no_title;
    }

    if (FoundErrors) {
        alert("Error!"+FoundErrors);
        return;
    }

        doInsert("[ADRES="+enterURL+"//]"+enterTITLE+"[/ADRES]", "", false);
}

function tag_image()
{
    var FoundErrors = '';
    var enterURL   = prompt(text_enter_image, "http://");

    if (!enterURL) {
        FoundErrors += " " + error_no_url;
    }

    if (FoundErrors) {
        alert("Error!"+FoundErrors);
        return;
    }

        doInsert("[RESIM]"+enterURL+"[/RESIM]", "", false);
}

function tag_email()
{
    var emailAddress = prompt(text_enter_email, "");

    if (!emailAddress) {
                alert(error_no_email);
                return;
        }

        doInsert("[EMAIL="+emailAddress+"//]"+emailAddress+"[/EMAIL]", "", false);
}

//--------------------------------------------
// GENERAL INSERT FUNCTION
//--------------------------------------------
// ibTag: opening tag
// ibClsTag: closing tag, used if we have selected text
// isSingle: true if we do not close the tag right now
// return value: true if the tag needs to be closed later

//

function doInsert(ibTag, ibClsTag, isSingle)
{
        var isClose = false;
        var obj_ta = document.sss.messagext;

        if ( (myVersion >= 4) && is_ie && is_win) // Ensure it works for IE4up / Win only
        {
                if(obj_ta.isTextEdit){ // this doesn't work for NS, but it works for IE 4+ and compatible browsers
                        obj_ta.focus();
                        var sel = document.selection;
                        var rng = sel.createRange();
                        rng.colapse;
                        if((sel.type == "Text" || sel.type == "None") && rng != null){
                                if(ibClsTag != "" && rng.text.length > 0)
                                        ibTag += rng.text + ibClsTag;
                                else if(isSingle)
                                        isClose = true;

                                rng.text = ibTag;
                        }
                }
                else{
                        if(isSingle)
                                isClose = true;

                        obj_ta.value += ibTag;
                }
        }
        else
        {
                if(isSingle)
                        isClose = true;

                obj_ta.value += ibTag;
        }

        obj_ta.focus();

        // clear multiple blanks
//        obj_ta.value = obj_ta.value.replace(/  /, " ");

        return isClose;
}

function log_out()
{
	ht = document.getElementsByTagName("body");
	ht[0].style.filter = "progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";
	if (confirm(''))
	{
		return true;
	}
	else
	{
		ht[0].style.filter = "";
		return false;
	}
}

//Special thanks to Vbulettin Systems!