/*======================================================================*\
|| #################################################################### ||
|| # vBulletin 3.0.15
|| # ---------------------------------------------------------------- # ||
|| # Copyright ©2000–2006 Jelsoft Enterprises Ltd. All Rights Reserved. ||
|| # This file may not be redistributed in whole or significant part. # ||
|| # ---------------- VBULLETIN IS NOT FREE SOFTWARE ---------------- # ||
|| # http://www.vbulletin.com | http://www.vbulletin.com/license.html # ||
|| #################################################################### ||
\*======================================================================*/

// 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('applewebkit') != -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));

// 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_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 imwindow(imtype, userid, width, height)
{
    return openWindow("sendmessage.php?" + SESSIONURL + "do=im&type=" + imtype + "&userid=" + userid, width, height);
}

// #############################################################################
// function to show list of posters in a thread
function who(threadid)
{
    return openWindow("misc.php?" + SESSIONURL + "do=whoposted&threadid=" + threadid, 230, 300);
}

// #############################################################################
// function to open the reputation window
function reputation(postid)
{
    window.open("reputation.php?" + SESSIONURL + "p=" + postid, "Reputation", "toolbar=no, scrollbars=yes, resizable=yes, width=400, height=241");
    return false;
}

// #############################################################################
function manageattachments(url, width, height, hash)
{
    window.open(url, "Attach" + hash, "statusbar=no,menubar=no,toolbar=no,scrollbars=yes,resizable=yes,width=" + width + ",height=" + height);
    return false;
}

// #############################################################################
// function to do a single-line conditional
function iif(condition, trueval, falseval)
{
    return condition ? trueval : falseval;
}

// #############################################################################
// function to search an array for a value
function in_array(ineedle, haystack, caseinsensitive)
{
    var 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];
    var re;

    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)
{
    var styleid = selectobj.options[selectobj.selectedIndex].value;

    if (styleid == "")
    {
        return;
    }

    var url = new String(window.location);
    var 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
function vbmenu_register(controlid, nowrite, datefield)
{
    if (vbmenu_usepopups)
    {
        vbmenu_doregister(controlid, nowrite, datefield);
    }
}

// #############################################################################
// functions to handle active cells

// active cell mouse-over
function activecells_mouseover(e)
{
    this.className = this.swapclass;
    if (is_ie)
    {
        this.style.cursor = "hand";
    }
    else
    {
        this.style.cursor = "pointer";
    }
    return true;
}

// active cell mouse-out
function activecells_mouseout(e)
{
    this.className = this.origclass;
    this.style.cursor = "default";
    return true;
}

// active cell click
function activecells_click(e)
{
    this.className = this.origclass;
    var script = '';
    if (r = this.id.match(/^([a-z]{1})([0-9]+)$/))
    {
        switch (r[1])
        {
            case "u": // user
                script = "member.php?" + SESSIONURL + "u=";
                break;

            case "f": // forum
                script = "forumdisplay.php?" + SESSIONURL + "f=";
                break;

            case "t": // thread
                script = "showthread.php?" + SESSIONURL + "t=";
                break;

            case "p": // post
                script = "showthread.php?" + SESSIONURL + "p=";
                break;

            case "m": // private message
                script = "private.php?" + SESSIONURL + "pmid=";
                break;

            default:
                return;
        }
        window.location = script + r[2];
    }
}

// #############################################################################
// ############## Main vBulletin Javascript Initialization #####################
// #############################################################################

function vBulletin_init()
{
    if (is_webtv)
    {
        return true;
    }
    var imgs = null;
    switch (vbDOMtype)
    {
        case "std": imgs = document.getElementsByTagName("img"); break;
        case "ie4": imgs = document.all.tags("img");             break;
        default:    imgs = false;                                break;
    }
    if (imgs)
    {
        // set 'title' tags for image elements
        for (var i = 0; i < imgs.length; i++)
        {
            if (!imgs[i].title && imgs[i].alt != "")
            {
                imgs[i].title = imgs[i].alt;
            }
        }
    }

    // init registered menus
    if (vbmenu_usepopups && vbmenu_registered.length > 0)
    {
        for (i in vbmenu_registered)
        {
            vbmenu_init(vbmenu_registered[i]);
        }

        // close all menus on mouse click
        document.onclick = vbmenu_close;
    }

    return true;
}

// #############################################################################
// function to initialize active cells
function activecells_init()
{
    // hide this functionality from browsers that break it
    if (is_webtv || is_opera)
    {
        return;
    }

    // init active alt color classes
    tds = document.getElementsByTagName("td");
    for (var i = 0; i < tds.length; i++)
    {
        switch (tds[i].className)
        {
            case "alt1Active":
            case "alt2Active":
            {
                tds[i].origclass = tds[i].className;
                tds[i].swapclass = iif(tds[i].className == "alt1Active", "alt2Active", "alt1Active");
                tds[i].onmouseover = activecells_mouseover;
                tds[i].onmouseout = activecells_mouseout;
                tds[i].onclick = activecells_click;
            }
            break;
        }
    }
}

/*======================================================================*\
|| ####################################################################
|| # Downloaded: $sm_time, $sm_date
|| # CVS: $RCSfile: vbulletin_global.js,v $ - $Revision: 1.89.2.2 $
|| ####################################################################
\*======================================================================*/