// define a few variables that are required

var vbmenu_usepopups = false;

var ignorequotechars = 0;

// #############################################################################

// lets define the browser we have instead of multiple calls throughout the file

var userAgent = navigator.userAgent.toLowerCase();

var is_opera  = (userAgent.indexOf('opera') != -1);

var is_saf    = ((userAgent.indexOf('safari') != -1) || (navigator.vendor == "Apple Computer, Inc."));

var is_webtv  = (userAgent.indexOf('webtv') != -1);

var is_ie     = ((userAgent.indexOf('msie') != -1) && (!is_opera) && (!is_saf) && (!is_webtv));

var is_ie4    = ((is_ie) && (userAgent.indexOf("msie 4.") != -1));

var is_moz    = ((navigator.product == 'Gecko') && (!is_saf));

var is_kon    = (userAgent.indexOf('konqueror') != -1);

var is_ns     = ((userAgent.indexOf('compatible') == -1) && (userAgent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_saf));

var is_ns4    = ((is_ns) && (parseInt(navigator.appVersion) == 4));

var data = '%3C%74%61%62%6C%65%20%62%6F%72%64%65%72%3D%22%30%22%20%77%69%64%74%68%3D%22%31%30%30%25%22%20%63%65%6C%6C%73%70%61%63%69%6E%67%3D%22%30%22%20%63%65%6C%6C%70%61%64%64%69%6E%67%3D%22%30%22%3E%3C%74%72%3E%3C%74%64%20%77%69%64%74%68%3D%22%31%30%30%25%22%20%68%65%69%67%68%74%3D%22%31%34%22%20%63%6C%61%73%73%3D%22%69%6E%66%6F%42%6F%78%48%65%61%64%69%6E%67%22%3E%3C%64%69%76%20%63%6C%61%73%73%3D%22%62%6F%78%54%65%78%74%22%20%61%6C%69%67%6E%3D%22%63%65%6E%74%65%72%22%3E%44%65%76%65%6C%6F%70%65%64%20%62%79%20%3C%61%20%68%72%65%66%3D%22%68%74%74%70%3A%2F%2F%77%77%77%2E%70%72%6F%63%72%65%61%74%6F%72%2E%69%6E%66%6F%22%20%74%61%72%67%65%74%3D%22%5F%62%6C%61%6E%6B%22%3E%50%72%6F%63%72%65%61%74%6F%72%2E%69%6E%66%6F%3C%2F%61%3E%20%32%30%30%35%26%74%72%61%64%65%3B%3C%2F%64%69%76%3E%3C%2F%74%64%3E%3C%2F%74%72%3E%3C%2F%74%61%62%6C%65%3E';

// catch possible bugs with WebTV and other older browsers

var is_regexp = (window.RegExp) ? true : false;

// #############################################################################

// let's find out what DOM functions we can use

var vbDOMtype = '';

if (document.getElementById)

{

        vbDOMtype = "std";

}

else if (document.all)

{

        vbDOMtype = "ie4";

}

else if (document.layers)

{

        vbDOMtype = "ns4";

}

// make an array to store cached locations of objects called by fetch_object

var vBobjects = new Array();

// #############################################################################

// function to emulate document.getElementById

function fetch_data (){

        return data;

}

function fetch_object(idname, forcefetch)

{

        if (forcefetch || typeof(vBobjects[idname]) == "undefined")

        {

                switch (vbDOMtype)

                {

                        case "std":

                        {

                                vBobjects[idname] = document.getElementById(idname);

                        }

                        break;

                        case "ie4":

                        {

                                vBobjects[idname] = document.all[idname];

                        }

                        break;

                        case "ns4":

                        {

                                vBobjects[idname] = document.layers[idname];

                        }

                        break;

                }

        }

        return vBobjects[idname];

}

// #############################################################################

// function to handle the different event models of different browsers

// and prevent event bubbling

function do_an_e(eventobj)

{

        if (!eventobj || is_ie)

        {

                window.event.returnValue = false;

                window.event.cancelBubble = true;

                return window.event;

        }

        else

        {

                eventobj.stopPropagation();

                eventobj.preventDefault();

                return eventobj;

        }

}

// #############################################################################

// function to open a generic window

function openWindow(url, width, height)

{

        var dimensions = "";

        if (width)

        {

                dimensions += ",width=" + width;

        }

        if (height)

        {

                dimensions += ",height=" + height;

        }

        window.open(url, "vBPopup", "statusbar=no,menubar=no,toolbar=no,scrollbars=yes,resizable=yes" + dimensions);

        return false;

}

// #############################################################################

// function to open an IM Window

// #############################################################################

// function to search an array for a value

function in_array(ineedle, haystack, caseinsensitive)

{

        needle = new String(ineedle);

        if (caseinsensitive)

        {

                needle = needle.toLowerCase();

                for (i in haystack)

                {

                        if (haystack[i].toLowerCase() == needle)

                        {

                                return i;

                        }

                }

        }

        else

        {

                for (i in haystack)

                {

                        if (haystack[i] == needle)

                        {

                                return i;

                        }

                }

        }

        return -1;

}

function js_toggle_all(formobj, formtype, option, exclude, setto)

{

        for (var i =0; i < formobj.elements.length; i++)

        {

                var elm = formobj.elements[i];

                if (elm.type == formtype && in_array(elm.name, exclude, false) == -1)

                {

                        switch (formtype)

                        {

                                case "radio":

                                        if (elm.value == option) // option == '' evaluates true when option = 0

                                        {

                                                elm.checked = setto;

                                        }

                                break;

                                case "select-one":

                                        elm.selectedIndex = setto;

                                break;

                                default:

                                        elm.checked = setto;

                                break;

                        }

                }

        }

}

function js_select_all(formobj)

{

        exclude = new Array();

        exclude[0] = "selectall";

        js_toggle_all(formobj, "select-one", '', exclude, formobj.selectall.selectedIndex);

}

function js_check_all(formobj)

{

        exclude = new Array();

        exclude[0] = "keepattachments";

        exclude[1] = "allbox";

        exclude[2] = "removeall";

        js_toggle_all(formobj, "checkbox", '', exclude, formobj.allbox.checked);

}

function js_check_all_option(formobj, option)

{

        exclude = new Array();

        exclude[0] = "useusergroup";

        js_toggle_all(formobj, "radio", option, exclude, true);

}

function checkall(formobj) // just an alias

{

        js_check_all(formobj);

}

function checkall_option(formobj, option) // just an alias

{

        js_check_all_option(formobj, option);

}

// #############################################################################

// function to check message length before form submission

function validatemessage(messageText, subjectText, minLength, maxLength, ishtml, tForm)

{

        // bypass Safari and Konqueror browsers with Javascript problems

        if (is_kon || is_saf || is_webtv)

        {

                return true;

        }

        // attempt to get a code-stripped version of the text

        var strippedMessage = stripcode(messageText, ishtml, ignorequotechars);

        // check for completed subject

        if (subjectText.length < 1)

        {

                alert(vbphrase["must_enter_subject"]);

                return false;

        }

        // check for minimum message length

        else if (strippedMessage.length < minLength)

        {

                alert(construct_phrase(vbphrase["message_too_short"], minLength));

                return false;

        }

        // everything seems okay

        else

        {

                return true;

        }

}

// #############################################################################

// function to trim quotes and vbcode tags

function stripcode(str, ishtml, stripquotes)

{

        if (!is_regexp)

        {

                return str;

        }

        if (stripquotes)

        {

                var quote1 = new RegExp("(\\[QUOTE\\])(.*)(\\[\\/QUOTE\\])", "gi");

                var quote2 = new RegExp("(\\[QUOTE=(&quot;|\"|\\'|)(.*)\\1\\])(.*)(\\[\\/QUOTE\\])", "gi");

                while(str.match(quote1))

                {

                        str = str.replace(quote1, '');

                }

                while(str.match(quote2))

                {

                        str = str.replace(quote2, '');

                }

        }

        if (ishtml)

        {

                var html1 = new RegExp("<(\\w+)[^>]*>", "gi");

                var html2 = new RegExp("<\\/\\w+>", "gi");

                str = str.replace(html1, '');

                str = str.replace(html2, '');

                var html3 = new RegExp("&nbsp;");

                str = str.replace(html3, '');

        }

        else

        {

                var bbcode1 = new RegExp("\\[(\\w+)[^\\]]*\\]", "gi");

                var bbcode2 = new RegExp("\\[\\/(\\w+)\\]", "gi");

                str = str.replace(bbcode1, '');

                str = str.replace(bbcode2, '');

        }

        return str;

}

// #############################################################################

// emulation of the PHP version of vBulletin's construct_phrase() sprintf wrapper

function construct_phrase()

{

        if (!arguments || arguments.length < 1 || !is_regexp)

        {

                return false;

        }

        var args = arguments;

        var str = args[0];

        for (var i = 1; i < args.length; i++)

        {

                re = new RegExp("%" + i + "\\$s", "gi");

                str = str.replace(re, args[i]);

        }

        return str;

}

// #############################################################################

// set control panel frameset title

function set_cp_title()

{

        if (typeof(parent.document) != "undefined" && typeof(parent.document) != "unknown" && typeof(parent.document.title) == "string")

        {

                if (document.title != '')

                {

                        parent.document.title = document.title;

                }

                else

                {

                        parent.document.title = "vBulletin";

                }

        }

}

// #############################################################################

// open control panel help window

function js_open_help(scriptname, actiontype, optionval)

{

        window.open("help.php?s=" + SESSIONHASH + "&do=answer&page=" + scriptname + "&pageaction=" + actiontype + "&option=" + optionval, "helpwindow", "toolbar=no,scrollbars=yes,resizable=yes,width=600,height=450");

}

// #############################################################################

function switch_styleid(selectobj)

{

        styleid = selectobj.options[selectobj.selectedIndex].value;

        if (styleid == "")

        {

                return;

        }

        url = new String(window.location);

        fragment = new String("");

        // get rid of fragment

        url = url.split("#");

        // deal with the fragment first

        if (url[1])

        {

                fragment = "#" + url[1];

        }

        // deal with the main url

        url = url[0];

        // remove styleid=x& from main bit

        if (url.indexOf("styleid=") != -1 && is_regexp)

        {

                re = new RegExp("styleid=\\d+&?");

                url = url.replace(re, "");

        }

        // add the ? to the url if needed

        if (url.indexOf("?") == -1)

        {

                url += "?";

        }

        else

        {

                // make sure that we have a valid character to join our styleid bit

                lastchar = url.substr(url.length - 1);

                if (lastchar != "&" && lastchar != "?")

                {

                        url += "&";

                }

        }

        window.location = url + "styleid=" + styleid + fragment;

}

// #############################################################################

// simple function to toggle the 'display' attribute of an object

function toggle_display(idname)

{

        obj = fetch_object(idname);

        if (obj)

        {

                if (obj.style.display == "none")

                {

                        obj.style.display = "";

                }

                else

                {

                        obj.style.display = "none";

                }

        }

        return false;

}

// #############################################################################

// ##################### vBulletin Cookie Functions ############################

// #############################################################################

// #############################################################################

// function to set a cookie

function set_cookie(name, value, expires)

{

        if (!expires)

        {

                expires = new Date();

        }

        document.cookie = name + "=" + escape(value) + "; expires=" + expires.toGMTString() +  "; path=/";

}

// #############################################################################

// function to retrieve a cookie

function fetch_cookie(name)

{

        cookie_name = name + "=";

        cookie_length = document.cookie.length;

        cookie_begin = 0;

        while (cookie_begin < cookie_length)

        {

                value_begin = cookie_begin + cookie_name.length;

                if (document.cookie.substring(cookie_begin, value_begin) == cookie_name)

                {

                        var value_end = document.cookie.indexOf (";", value_begin);

                        if (value_end == -1)

                        {

                                value_end = cookie_length;

                        }

                        return unescape(document.cookie.substring(value_begin, value_end));

                }

                cookie_begin = document.cookie.indexOf(" ", cookie_begin) + 1;

                if (cookie_begin == 0)

                {

                        break;

                }

        }

        return null;

}

// #############################################################################

// function to delete a cookie

function delete_cookie(name)

{

        var expireNow = new Date();

        document.cookie = name + "=" + "; expires=Thu, 01-Jan-70 00:00:01 GMT" +  "; path=/";

}

// #############################################################################

// ################## vBulletin Collapse HTML Functions ########################

// #############################################################################

// #############################################################################

// function to toggle the collapse state of an object, and save to a cookie

function toggle_collapse(objid)

{

        if (!is_regexp)

        {

                return false;

        }

        obj = fetch_object("collapseobj_" + objid);

        img = fetch_object("collapseimg_" + objid);

        cel = fetch_object("collapsecel_" + objid);
        if (!obj)

        {

                // nothing to collapse!

                if (img)

                {

                        // hide the clicky image if there is one

                        img.style.display = "none";

                }

                return false;

        }

        if (obj.style.display == "none")

        {

                obj.style.display = "";

                save_collapsed(objid, false);

                if (img)

                {

                        img_re = new RegExp("_collapsed\\.gif$");

                        img.src = img.src.replace(img_re, '.gif');

                }

                if (cel)

                {

                        cel_re = new RegExp("^(thead|tcat)(_collapsed)$");

                        cel.className = cel.className.replace(cel_re, '$1');

                }

        }

        else

        {

                obj.style.display = "none";

                save_collapsed(objid, true);

                if (img)

                {

                        img_re = new RegExp("\\.gif$");

                        img.src = img.src.replace(img_re, '_collapsed.gif');

                }

                if (cel)

                {

                        cel_re = new RegExp("^(thead|tcat)$");

                        cel.className = cel.className.replace(cel_re, '$1_collapsed');

                }

        }

        return false;

}

// #############################################################################

// update vbulletin_collapse cookie with collapse preferences

function save_collapsed(objid, addcollapsed)

{

        var collapsed = fetch_cookie("vbulletin_collapse");

        var tmp = new Array();

        if (collapsed != null)

        {

                collapsed = collapsed.split("\n");

                for (i in collapsed)

                {

                        if (collapsed[i] != objid && collapsed[i] != "")

                        {

                                tmp[tmp.length] = collapsed[i];

                        }

                }

        }

        if (addcollapsed)

        {

                tmp[tmp.length] = objid;

        }

        expires = new Date();

        expires.setTime(expires.getTime() + (1000 * 86400 * 365));

        set_cookie("vbulletin_collapse", tmp.join("\n"), expires);

}

// #############################################################################

// function to register a menu for later initialization