/**
 * Inferno Shoutbox Javascript Engine
 * Created By Inferno Technologies
 * All Rights Reserved
 * * * * * * * * * * * * * * *
 */
function oc(a) {
    var o = {};
    for(var i=0;i<a.length;i++) {
        o[a[i]]='';
    }
    return o;
}

_ishout = function()
{
    this.titles = new Array();
    this.newestbottom = 0;
    this.script = '';
    this.editor = '';
    this.loader = '';
    this.notice = '';
    this.parsebreaker = '<<~~PARSE_^_BREAKER~~>>';
    this.activity = '';
    this.noticemessage = '';
    this.shoutframe = '';
    this.userframe = '';
    this.styleprops = '';
    this.styleprop = new Object;
    this.fetchshout = new Object;
    this.fetchusers = new Object;
    this.fetchcontent = new Object;
    this.fetchtabs = new Object;
    this.editshout = new Object;
    this.fetchsmilies = new Object;
    this.fetchashout = new Object;
    this.fetchaop = new Object;
    this.editshoutform = '';
    this.editshouteditor = '';
    this.smiliesbox = '';
    this.smiliesrow = '';
    this.shout = new Object;
    this.idle = false;
    this.idletimelimit = 0;
    this.loaded = false;
    this.idletime = 0;
    this.floodtime = 0;
    this.fetchingsmilies = false;
    this.showing = 'shoutbox';
    this.detached = false;
    this.aop = false;
    this.aoptime = -1;
    this.refreshspeed = 0;
    this.styleproperties = {
        'fontWeight' : ['bold', false],
        'textDecoration' : ['underline', false],
        'fontStyle' : ['italic', false]
    };
this.initiate = function(thisscript, idletime, dobold, doitalic, dounderline, newestbottom, floodtime, shoutheight, refreshspeed)
    {
        this.newestbottom = parseInt(newestbottom);
        this.editor = fetch_object('vbshout_pro_shoutbox_editor');
        this.notice = fetch_object('shoutbox_notice');
        this.noticemessage = fetch_object('shoutbox_notice_message');
        this.userframe = fetch_object('shoutbox_users_frame');
        this.editshouteditor = fetch_object('shoutbox_editshout');
        this.editshoutform = document.forms['editshoutform'];
        this.smiliesbox = fetch_object('shoutbox_smilies');
        this.smiliesrow = fetch_object('shoutbox_smilies_row');
        this.tabs = fetch_object('vbshout_pro_tabs');
        this.shoutwindow = fetch_object('shoutbox_window');
        this.tabhistory = new Array();
        this.shoutheight = shoutheight;
        this.refresh_speed = refreshspeed;
this.append_tab('<a href="?" onclick="return InfernoShoutbox.show(\'shoutbox\');">Shoutbox</a>');
this.append_tab('<a href="?" onclick="return InfernoShoutbox.show(\'activeusers\');">Active Users</a>: <span id="shoutbox_activity">0</span>');
this.fetch_tabs();



        this.activity = fetch_object('shoutbox_activity');
        this.floodtime = floodtime;
        this.script = thisscript;
        this.load_editor_settings(parseInt(dobold), parseInt(doitalic), parseInt(dounderline));
        this.idletimelimit = idletime;
        this.idlecheck();

        this.set_shout_params('shoutbox_frame', '', '', '');

        this.fetch_shouts();

        if (this.aop)
        {
            this.get_shouts = setInterval("InfernoShoutbox.fetch_aop();", refreshspeed);
        }
        if (this.what == 'shoutbox')
        {
            this.get_shouts = setInterval("InfernoShoutbox.fetch_shouts();", refreshspeed);
        }
    }

    this.load_editor_settings = function(dobold, doitalic, dounderline)
    {
        if (fetch_object('sb_color_mem'))
        {
            this.adjust_property_selection('color', fetch_object('sb_color_mem'), false);
        }

        if (fetch_object('sb_font_mem'))
        {
            this.adjust_property_selection('fontFamily', fetch_object('sb_font_mem'), false);
        }

        if (dobold && fetch_object('sb_mem_bold'))
        {
            this.adjust_property('fontWeight', this.styleproperties['fontWeight'][0], fetch_object('sb_mem_bold'), false);
        }

        if (doitalic && fetch_object('sb_mem_italic'))
        {
            this.adjust_property('fontStyle', this.styleproperties['fontStyle'][0], fetch_object('sb_mem_italic'), false);
        }

        if (dounderline && fetch_object('sb_mem_underline'))
        {
            this.adjust_property('textDecoration', this.styleproperties['textDecoration'][0], fetch_object('sb_mem_underline'), false);
        }
    }
    this.clear = function()
    {
        this.editor.value = '';
    }

    this.assign_styleprop = function(prop, sobj)
    {
        switch (prop)
        {
            case 'fontWeight':
            case 'textDecoration':
            case 'fontStyle':
            {
                this.adjust_property(prop, this.styleproperties[prop][0], sobj, true);
                return false;
            }

            case 'color':
            case 'fontFamily':
            {
                this.adjust_property_selection(prop, sobj, true);
                return false;
            }
        }
    }

    this.adjust_property_selection = function(property, sobj, update)
    {
        value = sobj.options[sobj.options.selectedIndex].value;

        if (!this.styleproperties[property])
        {
            this.styleproperties[property] = [];
        }

        this.styleproperties[property][1] = value;

        eval('this.editor.style.' + property + ' = "' + value + '";');

        if (update)
        {
            this.update_styleprops();
        }
    }

    this.adjust_property = function(property, value, sobj, update)
    {
        sobj.value = sobj.value + '*';

        if (this.styleproperties[property][1])
        {
            value = '';
            sobj.value = sobj.value.replace(/\*/g, '');
        }

        this.styleproperties[property][1] = !this.styleproperties[property][1];

        eval('this.editor.style.' + property + ' = "' + value + '";');

        if (update)
        {
            this.update_styleprops();
        }
    }

    this.fetch_tabs = function()
    {
        this.set_loader('');
        this.fetchtabs.ajax = new vB_AJAX_Handler(true);
        this.fetchtabs.ajax.onreadystatechange(this.fetch_tabs_completed);
        this.fetchtabs.ajax.send('infernoshout/browser/shoutbox/feeds.php?titles=all', '');
    }

    this.fetch_tabs_completed = function()
    {
        ajax = this.fetchtabs.ajax;

        if (ajax.handler.readyState == 4 && ajax.handler.status == 200)
        {
            var title;
            alert(ajax.reponseText);
            this.titles = ajax.responseText.split("|");
            for(title in titles) {
                this.append_tab('<a href="?" onclick="return InfernoShoutbox.show(\''+titles[title]+'\');">' + titles[title] + '</a>');
            }
        }
    }

    this.set_shout_params = function(windowid, shoutprefix, shoutsuffix, fetchtype)
    {
        this.shout_params = new Object;
        this.shout_params.prefix = shoutprefix;
        this.shout_params.suffix = shoutsuffix;
        this.shout_params.fetchtype = fetchtype;

        this.shoutframe = fetch_object(windowid);
    }

    this.shout = function()
    {
        if (this.posting_shout)
        {
            this.show_notice('A previous message is still being submitted.');

            return false;
        }

        if (this.idle)
        {
            this.hide_notice();
        }

        this.idle = false;
        this.idletime = 0;

        message = PHP.trim(this.editor.value);

        if (message == '')
        {
            this.show_notice('Please enter a message first.');

            return false;
        }

        message = this.shout_params.prefix + message + this.shout_params.suffix;

        this.posting_shout = true;

        this.set_loader('');

        this.shout.ajax = new vB_AJAX_Handler(true);
        this.shout.ajax.onreadystatechange(InfernoShoutbox.shout_posted);
        this.shout.ajax.send('infernoshout.php', 'do=shout&message=' + PHP.urlencode(message));

        this.clear();

        return false;
    }

    this.shout2 = function()
    {

        if (this.idle)
        {
            this.hide_notice();
        }

        this.idle = false;
        this.idletime = 0;

        message = PHP.trim(this.editor.value);

        if (message == '')
        {
            this.show_notice('Please enter a message first.');

            return false;
        }

        message = this.shout_params.prefix + message + this.shout_params.suffix;

        this.set_loader('');

        this.shout.ajax = new vB_AJAX_Handler(true);
        this.shout.ajax.send('chattest.php', 'message=' + PHP.urlencode(message));

        this.clear();

        return false;
    }
    this.unidle = function()
    {
        this.idletime = 0;
        this.idle = false;
        this.hide_notice();

        return false;
    }

    this.idlecheck = function()
    {
        if (this.idle || this.idletime > this.idletimelimit)
        {
            setTimeout("InfernoShoutbox.idlecheck()", 1000);
            return false;
        }

        this.idletime++;

        if (this.idletime > this.idletimelimit)
        {
            this.idle = true;
        }

        setTimeout("InfernoShoutbox.idlecheck()", 1000);
    }

    this.shout_posted = function()
    {
        ajax = InfernoShoutbox.shout.ajax;

        if (ajax.handler.readyState == 4 && ajax.handler.status == 200)
        {
            if (PHP.trim(ajax.handler.responseText) == 'completed')
            {
                InfernoShoutbox.force_fetch = true;
                InfernoShoutbox.fetch_shouts();
            }
            else if(PHP.trim(ajax.handler.responseText) == 'flood')
            {
                InfernoShoutbox.show_notice('You must wait ' + InfernoShoutbox.floodtime + ' seconds between shouts.');
                InfernoShoutbox.posting_shout = false;
            }
            else
            {
                InfernoShoutbox.show_notice('Your shout failed to send.');
                InfernoShoutbox.posting_shout = false;
            }
        }
    }

    this.update_styleprops = function()
    {
        this.set_loader('');

        var bold    = this.styleproperties['fontWeight'][1] ? 1 : 0;
        var italic  = this.styleproperties['fontStyle'][1] ? 1 : 0;
        var underline   = this.styleproperties['textDecoration'][1] ? 1 : 0;
        var colour  = '';
        var fontfamily  = '';

        if (this.styleproperties['color'])
        {
            colour = this.styleproperties['color'][1];
        }

        if (this.styleproperties['fontFamily'])
        {
            fontfamily = this.styleproperties['fontFamily'][1];
        }

        styleproperties = new Array(
            'bold=' + bold,
            'italic=' + italic,
            'underline=' + underline,
            'colour=' + colour,
            'fontfamily=' + fontfamily
        );

        styleproperties = styleproperties.join('&');

        this.styleprop.ajax = new vB_AJAX_Handler(true);
        this.styleprop.ajax.onreadystatechange(InfernoShoutbox.styleprops_updated);
        this.styleprop.ajax.send('infernoshout.php', 'do=styleprops&' + styleproperties);
    }

    this.styleprops_updated = function()
    {
        ajax = InfernoShoutbox.styleprop.ajax;

        if (ajax.handler.readyState == 4 && ajax.handler.status == 200)
        {
            InfernoShoutbox.set_loader('none');
            InfernoShoutbox.show_notice('Your style properties have been updated.');
        }
    }

    this.fetch_aop = function()
    {
        if (this.fetching_aop)
        {
            if (this.failure_count('fetching_aop'))
            {
                this.fetching_aop = false;
            }

            return false;
        }

        if (InfernoShoutbox.new_aoptime)
        {
            this.fetch_shouts();

            return false;
        }

        this.fetching_aop = true;

        if (!this.fetchaop.ajax)
        {
            this.fetchaop.ajax = new vB_AJAX_Handler(true);
            this.fetchaop.ajax.onreadystatechange(InfernoShoutbox.fetch_aop_done);
        }

        this.fetchaop.ajax.send('infernoshout/aop/aop.php', '');
    }

    this.fetch_aop_done = function()
    {
        ajax = InfernoShoutbox.fetchaop.ajax;
        InfernoShoutbox.fetching_aop = false;

        if (ajax.handler.readyState == 4 && ajax.handler.status == 200)
        {
            new_aop_time = parseInt(ajax.handler.responseText);

            if (new_aop_time > InfernoShoutbox.aoptime)
            {
                InfernoShoutbox.new_aoptime = new_aop_time;
                InfernoShoutbox.fetch_shouts();
            }
        }
    }

    this.fetch_shouts = function()
    {
        if (this.posting_shout && !this.force_fetch)
        {
            if (this.failure_count('posting_shout'))
            {
                this.posting_shout = false;
            }

            return false;
        }

        if (this.fetching_shouts)
        {
            if (this.failure_count('fetching_shouts'))
            {
                this.fetching_shouts = false;
            }

            return false;
        }

        if (this.idle && this.loaded)
        {
            if(!this.showing in oc(this.titles)) {
                this.show_notice('You are currently idle in the shoutbox. Click <a href="?" onclick="return InfernoShoutbox.unidle();">here</a> to un-idle yourself.');
                clearTimeout(InfernoShoutbox.kill_notice); // Don't hide this notice
            }

            return false;
        }

        this.fetching_shouts = true;
        this.force_fetch = false;
        this.loaded = true;

        this.set_loader('');

        this.fetchshout.ajax = new vB_AJAX_Handler(true);
        this.fetchshout.ajax.onreadystatechange(InfernoShoutbox.fetch_shouts_completed);
        this.fetchshout.ajax.send('infernoshout.php', 'do=messages' + ((this.detached) ? '&detach=true' : '') + '&fetchtype=' + this.shout_params.fetchtype);
    }

    this.fetch_shouts_completed = function()
    {
        ajax = InfernoShoutbox.fetchshout.ajax;

        if (ajax.handler.readyState == 4 && ajax.handler.status == 200)
        {
            data = ajax.handler.responseXML.documentElement;
            data = data.getElementsByTagName('data')[0].firstChild.data;
            data = data.split(InfernoShoutbox.parsebreaker);

            InfernoShoutbox.update_shouts(PHP.trim(data[0]));

            if (data[1])
            {
                InfernoShoutbox.activity.innerHTML = PHP.trim(data[1]);
            }

            // Posting a shout now finishes here, when shouts have been refetched
            if (InfernoShoutbox.posting_shout)
            {
                InfernoShoutbox.posting_shout = false;
            }

            InfernoShoutbox.set_loader('none');
            InfernoShoutbox.fetching_shouts = false;

            if (InfernoShoutbox.new_aoptime)
            {
                InfernoShoutbox.aoptime = InfernoShoutbox.new_aoptime;
                InfernoShoutbox.new_aoptime = false;
            }
        }
    }

    this.update_shouts = function(shouts)
    {
        this.shoutframe.innerHTML = '';
        this.shoutframe.innerHTML = shouts;

        if (this.newestbottom && this.shoutframe.scrollTop < this.shoutframe.scrollHeight)
        {
            this.shoutframe.scrollTop = this.shoutframe.scrollHeight;
        }
    }

    this.set_loader = function(set)
    {
        //this.loader.style.display = set;
    }

    this.show_notice = function(message)
    {
        clearTimeout(InfernoShoutbox.kill_notice);
        InfernoShoutbox.kill_notice = setTimeout("InfernoShoutbox.hide_notice()", 5000);

        this.noticemessage.innerHTML = message;
        this.notice.style.display = '';
    }

    this.hide_notice = function()
    {
        this.notice.style.display = 'none';
    }
    this.show = function(what)
    {
        if (what == this.showing)
        {
            return false;
        }
        this.showing = what;
        if (what == 'shoutbox')
        {
            this.idle = false;
            this.goto_pm_window('shoutbox_frame');
            //this.shoutframe.style.display = 'block';
            this.userframe.style.display = 'none';
        }
        else if (what == 'activeusers')
        {
            this.idle = false;
            this.fetch_users();
            this.shoutframe.innerHTML = "<div id=\'users\'></div>";
            //this.shoutframe.style.display = 'block';
            this.userframe.style.display = 'none';
        } else if(what in oc(this.titles)) {
            this.idle = true;
            this.fetch_content();
            this.shoutframe.innerHTML = "<div id=\'content_box\'></div>";
            this.userframe.style.display = 'none';
        }

        return false;
    }
    this.fetch_content = function()
    {
        this.set_loader('');
        this.fetchcontent.ajax = new vB_AJAX_Handler(true);
        this.fetchcontent.ajax.onreadystatechange(InfernoShoutbox.fetch_content_completed);
        this.fetchcontent.ajax.send('infernoshout/browser/shoutbox/feeds.php?content=' + this.showing, '');
    }

    this.fetch_content_completed = function()
    {
        ajax = InfernoShoutbox.fetchcontent.ajax;

        if (ajax.handler.readyState == 4 && ajax.handler.status == 200)
        {
                document.getElementById("content_box").innerHTML = ajax.handler.responseText;
        }
    }
    this.fetch_users = function()
    {
        this.set_loader('');

        this.fetchusers.ajax = new vB_AJAX_Handler(true);
        this.fetchusers.ajax.onreadystatechange(InfernoShoutbox.fetch_users_completed);
        this.fetchusers.ajax.send('infernoshout.php', 'do=userlist');
    }

    this.fetch_users_completed = function()
    {
        ajax = InfernoShoutbox.fetchusers.ajax;

        if (ajax.handler.readyState == 4 && ajax.handler.status == 200)
        {
                document.getElementById("users").innerHTML = ajax.handler.responseText;
        }
    }

    this.pm_user = function(username)
    {
        this.editor.value = '/pm ' + username + '; Your message here';

        return false;
    }

    this.edit_shout = function(shoutid)
    {
        this.posting_shout = true;

        this.editshout.ajax = new vB_AJAX_Handler(true);
        this.editshout.ajax.onreadystatechange(InfernoShoutbox.edit_shout_fetched);
        this.editshout.ajax.send('infernoshout.php', 'do=editshout&shoutid=' + shoutid);

        this.set_loader('');

        return false;
    }

    this.edit_shout_fetched = function()
    {
        ajax = InfernoShoutbox.editshout.ajax;

        if (ajax.handler.readyState == 4 && ajax.handler.status == 200)
        {
            InfernoShoutbox.set_loader('none');

            data = ajax.handler.responseXML.documentElement;
            data = data.getElementsByTagName('data')[0].firstChild.data;

            if (data != 'deny')
            {
                InfernoShoutbox.show_edit_shout(data.split(InfernoShoutbox.parsebreaker));
            }
            else
            {
                InfernoShoutbox.posting_shout = false;
            }
        }
    }

    this.show_edit_shout = function(data)
    {
        theshout = PHP.trim(data[0]);
        shoutid = parseInt(data[1]);

        if (this.archive)
        {
            fetch_object('shout_' + shoutid).style.display = 'none';
            fetch_object('shout_edit_' + shoutid).style.display = '';
            fetch_tags(fetch_object('shout_edit_' + shoutid), 'input')[0].value = this.unescapeHTML(theshout);

            if (theshout.length < 60)
            {
                fetch_tags(fetch_object('shout_edit_' + shoutid), 'input')[0].size = (theshout.length + 1);
            }
            else
            {
                fetch_tags(fetch_object('shout_edit_' + shoutid), 'input')[0].size = 60;
            }
        }
        else
        {
            this.editshouteditor.style.display = '';
            this.editshoutform.shoutid.value = shoutid;
            this.editshoutform.editshout.value = this.unescapeHTML(theshout);
        }
    }

    this.cancel_edit_shout = function(shoutid)
    {
        if (this.archive)
        {
            fetch_object('shout_' + shoutid).style.display = '';
            fetch_object('shout_edit_' + shoutid).style.display = 'none';

            return false;
        }
        else
        {
            this.editshouteditor.style.display = 'none';
            this.posting_shout = false;
        }
    }

    this.archive_edit_shout = function(shoutid, dodelete)
    {
        if (typeof dodelete != 'undefined')
        {
            dodelete = 1;
        }
        else
        {
            dodelete = 0;
        }

        shout = PHP.urlencode(PHP.trim(fetch_tags(fetch_object('shout_edit_' + shoutid), 'input')[0].value));

        this.editshout.ajax = new vB_AJAX_Handler(true);
        this.editshout.ajax.shoutid = shoutid;
        this.editshout.ajax.dodelete = dodelete;
        this.editshout.ajax.onreadystatechange(InfernoShoutbox.edit_shout_done);
        this.editshout.ajax.send('infernoshout.php', 'do=doeditshout&shoutid=' + shoutid + '&shout=' + shout + '&delete=' + dodelete);

        return false;
    }

    this.do_edit_shout = function(dodelete)
    {
        if (typeof dodelete != 'undefined')
        {
            dodelete = 1;
        }
        else
        {
            dodelete = 0;
        }

        shout = PHP.urlencode(PHP.trim(this.editshoutform.editshout.value));
        shoutid = parseInt(this.editshoutform.shoutid.value);

        this.editshout.ajax = new vB_AJAX_Handler(true);
        this.editshout.ajax.shoutid = shoutid;
        this.editshout.ajax.onreadystatechange(InfernoShoutbox.edit_shout_done);
        this.editshout.ajax.send('infernoshout.php', 'do=doeditshout&shoutid=' + shoutid + '&shout=' + shout + '&delete=' + dodelete);

        this.editshouteditor.style.display = 'none';
        this.set_loader('');

        return false;
    }

    this.fetch_archive_shout = function(shoutid)
    {
        this.fetchashout.ajax = new vB_AJAX_Handler(true);
        this.fetchashout.ajax.shoutid = shoutid;
        this.fetchashout.ajax.onreadystatechange(InfernoShoutbox.fetch_archive_shout_done);
        this.fetchashout.ajax.send('infernoshout.php', 'do=getarchiveshout&shoutid=' + shoutid);
    }

    this.fetch_archive_shout_done = function()
    {
        ajax = InfernoShoutbox.fetchashout.ajax;

        if (ajax.handler.readyState == 4 && ajax.handler.status == 200)
        {
            data = ajax.handler.responseXML.documentElement;
            data = data.getElementsByTagName('data')[0].firstChild.data;

            fetch_object('shout_shell_' + ajax.shoutid).innerHTML = data;
        }
    }

    this.edit_shout_done = function()
    {
        ajax = InfernoShoutbox.editshout.ajax;

        if (ajax.handler.readyState == 4 && ajax.handler.status == 200)
        {
            if (InfernoShoutbox.archive)
            {
                if (!ajax.dodelete)
                {
                    InfernoShoutbox.fetch_archive_shout(ajax.shoutid);
                }
                else
                {
                    fetch_object('shout_row_' + ajax.shoutid).parentNode.removeChild(fetch_object('shout_row_' + ajax.shoutid));
                }
            }
            else
            {
                InfernoShoutbox.set_loader('none');
                InfernoShoutbox.posting_shout = false;
                InfernoShoutbox.fetch_shouts();
            }
        }
    }

    this.smilies = function()
    {
        if (this.fetchingsmilies)
        {
            return false;
        }

        if (this.smiliesbox.style.display == '')
        {
            this.smiliesbox.style.display = 'none';
            return false;
        }

        this.fetchingsmilies = true;
        this.fetchsmilies.ajax = new vB_AJAX_Handler(true);
        this.fetchsmilies.ajax.onreadystatechange(InfernoShoutbox.smilies_fetched);
        this.fetchsmilies.ajax.send('infernoshout.php', 'do=fetchsmilies');
        this.set_loader('');
    }

    this.smilies_fetched = function()
    {
        ajax = InfernoShoutbox.fetchsmilies.ajax;

        if (ajax.handler.readyState == 4 && ajax.handler.status == 200)
        {
            InfernoShoutbox.set_loader('none');
            InfernoShoutbox.fetchingsmilies = false;
            InfernoShoutbox.smiliesbox.style.display = '';
            InfernoShoutbox.smiliesrow.innerHTML = ajax.handler.responseText;
        }
    }

    this.append_smilie = function(code)
    {
        applyto = this.editshouteditor.style.display == '' ? this.editshoutform.editshout : this.editor;

        if (PHP.trim(applyto.value) == '')
        {
            applyto.value = code + ' ';
        }
        else
        {
            spacer = applyto.value.substring(applyto.value.length - 1) == ' ' ? '' : ' ';
            applyto.value += spacer + code + ' ';
        }

        try
        {
            applyto.focus();
        }
        catch(e)
        {
        }
    }

    this.make_curve = function(class_a, class_b)
    {
        curve = '<div class="alt2" style="border: 0px !important; margin: 0px; padding: 0px;">';
        curve += '<span style="float: right; border: 0px !important; margin: 0px; padding: 0px;">';
        curve += '<span class="alt1" style="display: block; border: 0px !important; margin: 0px; padding: 0px;">';
        curve += '<span class="alt2" style="width: 1px; height: 1px; display: block; overflow: hidden; border: 0px !important; margin: 0px; padding: 0px;"></span>';
        curve += '<span class="alt2" style="width: 2px; height: 1px; display: block; overflow: hidden; border: 0px !important; margin: 0px; padding: 0px;"></span>';
        curve += '<span class="alt2" style="width: 3px; height: 1px; display: block; overflow: hidden; border: 0px !important; margin: 0px; padding: 0px;"></span>';
        curve += '</span></span>';
        curve += '<span class="alt1" style="width: 3px; height: 1px; display: block; overflow: hidden; border: 0px !important; margin: 0px; padding: 0px;"></span>';
        curve += '<span class="alt1" style="width: 2px; height: 1px; display: block; overflow: hidden; border: 0px !important; margin: 0px; padding: 0px;"></span>';
        curve += '<span class="alt1" style="width: 1px; height: 1px; display: block; overflow: hidden; border: 0px !important; margin: 0px; padding: 0px;"></span>';
        curve += '</div>';
        curve += '';

        return curve;
    }

    this.append_tab = function(html, canclose)
    {
        if (canclose)
        {
            html += ' [<a href="#" onclick="return InfernoShoutbox.close_tab(this);">X</a>]';
        }

        html = this.make_curve('', '') + '<div class="smallfont" style="text-align: center; white-space: nowrap; padding: 5px; padding-top: 0px; padding-bottom: 4px; background: transparent; margin: 0px; border: 0px !important;">' + html + '</div>';

        cellposition = this.tabs.rows[0].cells.length - 1;
        newtab = this.tabs.rows[0].insertCell(cellposition);
        newtab.className = 'alt2';
        newtab.innerHTML = html;
        newtab.style.cssText = "border: 0px !important; margin: 0px; padding: 0px;";

        if (this.tabhistory[newtab.innerHTML])
        {
            newtab.parentNode.removeChild(newtab);
            return false;
        }

        this.tabhistory[newtab.innerHTML] = 1;

        cellposition = this.tabs.rows[0].cells.length - 1;
        newtab = this.tabs.rows[0].insertCell(cellposition);
        newtab.className = 'alt1';
        newtab.innerHTML = '&nbsp;';
        newtab.style.cssText = "border: 0px !important; margin: 0px; padding: 0px;";
    }

    this.close_tab = function(tabobj)
    {
        this.tabhistory[tabobj.parentNode.parentNode.innerHTML] = 0;

        tabobj.parentNode.parentNode.parentNode.removeChild(tabobj.parentNode.parentNode);

        this.clean_tab_spacing();

        if (this.showing != 'activeusers')
        {
            this.goto_pm_window('shoutbox_frame');
        }
        return false;
    }

    this.clean_tab_spacing = function()
    {
        for (var c = 0; c < this.tabs.rows[0].cells.length; c++)
        {
            if (this.tabs.rows[0].cells[c + 1])
            {
                if (this.tabs.rows[0].cells[c].innerHTML == this.tabs.rows[0].cells[c + 1].innerHTML && this.tabs.rows[0].cells[c].innerHTML == '&nbsp;')
                {
                    this.tabs.rows[0].removeChild(this.tabs.rows[0].cells[c]);
                    break;
                }
            }
        }
    }

    this.open_pm_tab = function(pmid, username)
    {
        if (!this.pm_tabs)
        {
            this.pm_tabs = {};
        }

        if (this.pm_tabs[pmid])
        {
            this.goto_pm_window(pmid);
            return false;
        }

        // Create the tab
        this.append_tab('<a href="#" onclick="return InfernoShoutbox.goto_pm_window(\'' + pmid + '\');">' + username + '</a>', 1);

        // Create the window
        this.append_shout_window(pmid, '/pm ' + username + '; ', '', 'pmonly&pmid=' + pmid.split('_')[1]);

        // Switch to the window
        this.goto_pm_window(pmid);

        return false;
    }

    this.set_default_window = function(windowid)
    {
        this.shout_windows[windowid] = new Object;
        this.shout_windows[windowid].suffix = '';
        this.shout_windows[windowid].prefix = '';
        this.shout_windows[windowid].fetchtype = '';
    }

    this.goto_pm_window = function(windowid)
    {
        if (!this.shout_windows)
        {
            this.shout_windows = {};
            this.set_default_window('shoutbox_frame');
        }

        if (!this.shout_windows[windowid])
        {
            return false;
        }

        this.userframe.style.display = 'none';
        this.shoutframe.style.display = 'none';

        this.set_shout_params(windowid, this.shout_windows[windowid].prefix, this.shout_windows[windowid].suffix, this.shout_windows[windowid].fetchtype);

        this.shoutframe.innerHTML = 'Loading...';
        this.shoutframe.style.display = 'block';
        this.showing = windowid;

        if (this.idle)
        {
            this.hide_notice();
        }

        this.idle = false;

        this.fetch_shouts();

        return false;
    }

    this.append_shout_window = function(windowid, shoutprefix, shoutsuffix, fetchtype)
    {
        if (!this.shout_windows)
        {
            this.shout_windows = {};
            this.set_default_window('shoutbox_frame');
        }

        if (this.shout_windows[windowid])
        {
            // This window has already been placed, don't remake it.
            return false;
        }

        this.shout_windows[windowid] = new Object;
        this.shout_windows[windowid].prefix = shoutprefix;
        this.shout_windows[windowid].suffix = shoutsuffix;
        this.shout_windows[windowid].fetchtype = fetchtype;

        swindow = document.createElement('span');
        swindow.style.display = 'none';
        swindow.style.padding = '3px';
        swindow.style.height = parseInt(this.shoutheight) + 'px';
        swindow.style.overflow = 'auto';
        swindow.style.width = '99%';
        swindow.innerHTML = 'Loading...';
        swindow.id = windowid;

        this.shoutwindow.appendChild(swindow);
    }

    this.goto_options = function()
    {
        window.location.href = 'infernoshout.php?' + SESSIONURL + 'do=options';
    }

    this.detach = function()
    {
        detachwin = window.open('infernoshout.php?' + SESSIONURL + 'do=detach', '_ishout_detach');
        try
        {
            detachwin.focus();
        }
        catch(e){}
    }

    // AJAX lock-ups...  love 'em =D
    this.failure_count = function(failure_type)
    {
        if (!this.failure_log)
        {
            this.failure_log = new Array();
        }

        if (!this.failure_log[failure_type])
        {
            this.failure_log[failure_type] = 0;
        }

        this.failure_log[failure_type]++;

        if (this.failure_log[failure_type] > 2)
        {
            this.failure_log[failure_type] = 0;
            return true;
        }

        return false;
    }

    this.unescapeHTML = function(html)
    {
        tmpdiv = document.createElement('div');
        tmpdiv.innerHTML = html;

        return tmpdiv.childNodes[0] ? tmpdiv.childNodes[0].nodeValue : '';
    }
}