/* Copyright (C) 2007 reCAPTCHA. Please contact us if you are thinking of modifying & hosting this file. */

var RecaptchaTemplates = { VertHtml: '<table id="recaptcha_table" class="recaptchatable" >\n<tr>\n<td colspan="6" class=\'recaptcha_r1_c1\'></td>\n</tr>\n<tr>\n<td class=\'recaptcha_r2_c1\'></td>\n<td colspan="4" class=\'recaptcha_image_cell\'><div id="recaptcha_image"></div></td>\n<td class=\'recaptcha_r2_c2\'></td>\n</tr>\n<tr>\n<td rowspan="6" class=\'recaptcha_r3_c1\'></td>\n<td colspan="4" class=\'recaptcha_r3_c2\'></td>\n<td rowspan="6" class=\'recaptcha_r3_c3\'></td>\n</tr>\n<tr>\n<td rowspan="3" class=\'recaptcha_r4_c1\' height="49">\n<div class="recaptcha_input_area">\n<label for="recaptcha_response_field" class="recaptcha_input_area_text"><span id="recaptcha_instructions_image" class="recaptcha_only_if_image recaptcha_only_if_no_incorrect_sol"></span><span id="recaptcha_instructions_audio" class="recaptcha_only_if_no_incorrect_sol recaptcha_only_if_audio"></span><span id="recaptcha_instructions_error" class="recaptcha_only_if_incorrect_sol"></span></label><br/>\n<input name="recaptcha_response_field" id="recaptcha_response_field" type="text" />\n</div>\n</td>\n<td rowspan="4" class=\'recaptcha_r4_c2\'></td>\n<td><a id=\'recaptcha_reload_btn\'><img id=\'recaptcha_reload\' width="25" height="17" /></a></td>\n<td rowspan="4" class=\'recaptcha_r4_c4\'></td>\n</tr>\n<tr>\n<td><a id=\'recaptcha_switch_audio_btn\' class="recaptcha_only_if_image"><img id=\'recaptcha_switch_audio\' width="25" height="16" alt="" /></a><a id=\'recaptcha_switch_img_btn\' class="recaptcha_only_if_audio"><img id=\'recaptcha_switch_img\' width="25" height="16" alt=""/></a></td>\n</tr>\n<tr>\n<td><a id=\'recaptcha_whatsthis_btn\'><img id=\'recaptcha_whatsthis\' width="25" height="16" /></a></td>\n</tr>\n<tr>\n<td class=\'recaptcha_r7_c1\'></td>\n<td class=\'recaptcha_r8_c1\'></td>\n</tr>\n</table>\n', VertCss: '.recaptchatable td img {\n/* see http://developer.mozilla.org/en/docs/Images%2C_Tables%2C_and_Mysterious_Gaps */\ndisplay: block;\n}\n.recaptchatable .recaptcha_r1_c1 { background: url(IMGROOT/sprite.png) -0px -63px no-repeat; width: 318px; height: 9px; }\n.recaptchatable .recaptcha_r2_c1 { background: url(IMGROOT/sprite.png) -18px -0px no-repeat; width: 9px; height: 57px; }\n.recaptchatable .recaptcha_r2_c2 { background: url(IMGROOT/sprite.png) -27px -0px no-repeat; width: 9px; height: 57px; }\n.recaptchatable .recaptcha_r3_c1 { background: url(IMGROOT/sprite.png) -0px -0px no-repeat; width: 9px; height: 63px; }\n.recaptchatable .recaptcha_r3_c2 { background: url(IMGROOT/sprite.png) -18px -57px no-repeat; width: 300px; height: 6px; }\n.recaptchatable .recaptcha_r3_c3 { background: url(IMGROOT/sprite.png) -9px -0px no-repeat; width: 9px; height: 63px; }\n.recaptchatable .recaptcha_r4_c1 { background: url(IMGROOT/sprite.png) -43px -0px no-repeat; width: 171px; height: 49px; }\n.recaptchatable .recaptcha_r4_c2 { background: url(IMGROOT/sprite.png) -36px -0px no-repeat; width: 7px; height: 57px; }\n.recaptchatable .recaptcha_r4_c4 { background: url(IMGROOT/sprite.png) -214px -0px no-repeat; width: 97px; height: 57px; }\n.recaptchatable .recaptcha_r7_c1 { background: url(IMGROOT/sprite.png) -43px -49px no-repeat; width: 171px; height: 8px; }\n.recaptchatable .recaptcha_r8_c1 { background: url(IMGROOT/sprite.png) -43px -49px no-repeat; width: 25px; height: 8px; }\n.recaptchatable .recaptcha_image_cell center img { height:57px;}\n.recaptchatable .recaptcha_image_cell center { height:57px;}\n.recaptchatable .recaptcha_image_cell {\nbackground-color:white; height:57px;\n}\n/* some people break their style sheet, we need to clean up after them */\n#recaptcha_area, #recaptcha_table {\nwidth: 318px !important;\n}\n.recaptchatable, #recaptcha_area tr, #recaptcha_area td, #recaptcha_area th {\nmargin:0px !important;\nborder:0px !important;\npadding:0px !important;\nborder-collapse: collapse !important;\nvertical-align: middle !important;\n}\n.recaptchatable * {\nmargin:0px;\npadding:0px;\nborder:0px;\nfont-family:helvetica,sans-serif;\nfont-size:8pt;\ncolor:black;\nposition:static;\ntop:auto;\nleft:auto;\nright:auto;\nbottom:auto;\ntext-align:left !important;\n}\n.recaptchatable #recaptcha_image {\nmargin:auto;\n}\n.recaptchatable img {\nborder:0px !important;\nmargin:0px !important;\npadding:0px !important;\n}\n.recaptchatable a, .recaptchatable a:hover {\n-moz-outline:none;\nborder:0px !important;\npadding:0px !important;\ntext-decoration:none;\ncolor:blue;\nbackground:none !important;\nfont-weight: normal;\n}\n.recaptcha_input_area {\nposition:relative !important;\nwidth:146px !important;\nheight:45px !important;\nmargin-left:20px !important;\nmargin-right:5px !important;\nmargin-top:4px !important;\nbackground:none !important;\n}\n.recaptchatable label.recaptcha_input_area_text {\nmargin:0px !important;  \npadding:0px !important;\nposition:static !important;\ntop:auto !important;\nleft:auto !important;\nright:auto !important;\nbottom:auto !important;\nbackground:none !important;\nheight:auto !important;\nwidth:auto !important;\n}\n.recaptcha_theme_red label.recaptcha_input_area_text,\n.recaptcha_theme_white label.recaptcha_input_area_text {\ncolor:black !important;\n}\n.recaptcha_theme_blackglass label.recaptcha_input_area_text {\ncolor:white !important;\n}\n.recaptchatable #recaptcha_response_field  {\nwidth:145px !important;\nposition:absolute !important;\nbottom:7px !important;\npadding:0px !important;\nmargin:0px !important;\nfont-size:10pt;\n}\n.recaptcha_theme_blackglass #recaptcha_response_field,\n.recaptcha_theme_white #recaptcha_response_field {\nborder: 1px solid gray;\n}\n.recaptcha_theme_red #recaptcha_response_field {\nborder:1px solid #cca940;\n}\n.recaptcha_audio_cant_hear_link {\nfont-size:7pt;\ncolor:black;\n}\n.recaptchatable {\nline-height:1em;\n}\n#recaptcha_instructions_error {\ncolor:red !important;\n}\n', CleanHtml: '<table id="recaptcha_table" class="recaptchatable">\n<tr height="73">\n<td class=\'recaptcha_image_cell\' width="302"><center><div id="recaptcha_image"></div></center></td>\n<td style="padding: 10px 7px 7px 7px;">\n<a id=\'recaptcha_reload_btn\'><img id=\'recaptcha_reload\' width="25" height="18" alt="" /></a>\n<a id=\'recaptcha_switch_audio_btn\' class="recaptcha_only_if_image"><img id=\'recaptcha_switch_audio\' width="25" height="15" alt="" /></a><a id=\'recaptcha_switch_img_btn\' class="recaptcha_only_if_audio"><img id=\'recaptcha_switch_img\' width="25" height="15" alt=""/></a>\n<a id=\'recaptcha_whatsthis_btn\'><img id=\'recaptcha_whatsthis\' width="25" height="16" /></a>\n</td>\n<td style="padding: 18px 7px 18px 7px;">\n<img id=\'recaptcha_logo\' alt="" width="71" height="36" />\n</td>\n</tr>\n<tr>\n<td style="padding-left: 7px;">\n<div class="recaptcha_input_area" style="padding-top: 2px; padding-bottom: 7px;">\n<input style="border: 1px solid #3c3c3c; width: 302px;" name="recaptcha_response_field" id="recaptcha_response_field" type="text" />\n</div>\n</td>\n<td></td>\n<td style="padding: 4px 7px 12px 7px;">\n<img id="recaptcha_tagline" width="71" height="17" />\n</td>\n</tr>\n</table>\n', CleanCss: '.recaptchatable td img {\ndisplay: block;\n}\n.recaptchatable .recaptcha_image_cell center img { height:57px;}\n.recaptchatable .recaptcha_image_cell center { height:57px;}\n.recaptchatable .recaptcha_image_cell {\nbackground-color:white; height:57px; \npadding: 7px !important;\n}\n.recaptchatable, #recaptcha_area tr, #recaptcha_area td, #recaptcha_area th {\nmargin:0px !important;\nborder:0px !important;\nborder-collapse: collapse !important;\nvertical-align: middle !important;\n}\n.recaptchatable * {\nmargin:0px;\npadding:0px;\nborder:0px;\ncolor:black;\nposition:static;\ntop:auto;\nleft:auto;\nright:auto;\nbottom:auto;\ntext-align:left !important;\n}\n.recaptchatable #recaptcha_image {\nmargin:auto;\nborder: 1px solid #dfdfdf !important;\n}\n.recaptchatable a img {\nborder:0px;\n}\n.recaptchatable a, .recaptchatable a:hover {\n-moz-outline:none;\nborder:0px !important;\npadding:0px !important;\ntext-decoration:none;\ncolor:blue;\nbackground:none !important;\nfont-weight: normal;\n}\n.recaptcha_input_area {\nposition:relative !important;\nbackground:none !important;\n}\n.recaptchatable label.recaptcha_input_area_text {\nborder:1px solid #dfdfdf !important;\nmargin:0px !important;  \npadding:0px !important;\nposition:static !important;\ntop:auto !important;\nleft:auto !important;\nright:auto !important;\nbottom:auto !important;\n}\n.recaptcha_theme_red label.recaptcha_input_area_text,\n.recaptcha_theme_white label.recaptcha_input_area_text {\ncolor:black !important;\n}\n.recaptcha_theme_blackglass label.recaptcha_input_area_text {\ncolor:white !important;\n}\n.recaptchatable #recaptcha_response_field  {\nfont-size:11pt;\n}\n.recaptcha_theme_blackglass #recaptcha_response_field,\n.recaptcha_theme_white #recaptcha_response_field {\nborder: 1px solid gray;\n}\n.recaptcha_theme_red #recaptcha_response_field {\nborder:1px solid #cca940;\n}\n.recaptcha_audio_cant_hear_link {\nfont-size:7pt;\ncolor:black;\n}\n.recaptchatable {\nline-height:1em;\nborder: 1px solid #dfdfdf !important;\n}\n.recaptcha_error_text {\ncolor:red;\n}\n' };
var RecaptchaStr_en = {
    visual_challenge: "Get a visual challenge",
    audio_challenge: "Get an audio challenge",
    refresh_btn: "Get a new challenge",
    instructions_visual: "Type the two words:",
    instructions_audio: "Type what you hear:",
    help_btn: "Help",
    play_again: "Play sound again",
    cant_hear_this: "Download sound as MP3",
    incorrect_try_again: "Incorrect. Try again."
};
var RecaptchaStr_de = {
    visual_challenge: "Visuelle Aufgabe generieren",
    audio_challenge: "Audio-Aufgabe generieren",
    refresh_btn: "Neue Aufgabe generieren",
    instructions_visual: "Gib die 2 W\u00f6rter ein:",
    instructions_audio: "Gib die 8 Ziffern ein:",
    help_btn: "Hilfe",
    incorrect_try_again: "Falsch. Nochmals versuchen!"
};
var RecaptchaStr_es = {
    visual_challenge: "Obt\u00e9n un reto visual",
    audio_challenge: "Obt\u00e9n un reto audible",
    refresh_btn: "Obt\u00e9n un nuevo reto",
    instructions_visual: "Escribe las 2 palabras:",
    instructions_audio: "Escribe los 8 n\u00fameros:",
    help_btn: "Ayuda",
    incorrect_try_again: "Incorrecto. Otro intento."
};
var RecaptchaStr_fr = {
    visual_challenge: "D\u00e9fi visuel",
    audio_challenge: "D\u00e9fi audio",
    refresh_btn: "Nouveau d\u00e9fi",
    instructions_visual: "Entrez les deux mots:",
    instructions_audio: "Entrez les huit chiffres:",
    help_btn: "Aide",
    incorrect_try_again: "Incorrect."
};
var RecaptchaStr_nl = {
    visual_challenge: "Test me via een afbeelding",
    audio_challenge: "Test me via een geluidsfragment",
    refresh_btn: "Nieuwe uitdaging",
    instructions_visual: "Type de twee woorden:",
    instructions_audio: "Type de acht cijfers:",
    help_btn: "Help",
    incorrect_try_again: "Foute invoer."
};
var RecaptchaStr_pt = {
    visual_challenge: "Obter um desafio visual",
    audio_challenge: "Obter um desafio sonoro",
    refresh_btn: "Obter um novo desafio",
    instructions_visual: "Escreva as 2 palavras:",
    instructions_audio: "Escreva os 8 numeros:",
    help_btn: "Ajuda",
    incorrect_try_again: "Incorrecto. Tenta outra vez."
};
var RecaptchaStr_ru = {
    visual_challenge: "\u0417\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u044c \u0432\u0438\u0437\u0443\u0430\u043b\u044c\u043d\u0443\u044e \u0437\u0430\u0434\u0430\u0447\u0443",
    audio_challenge: "\u0417\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u044c \u0437\u0432\u0443\u043a\u043e\u0432\u0443\u044e \u0437\u0430\u0434\u0430\u0447\u0443",
    refresh_btn: "\u0417\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u044c \u043d\u043e\u0432\u0443\u044e \u0437\u0430\u0434\u0430\u0447\u0443",
    instructions_visual: "\u0412\u0432\u0435\u0434\u0438\u0442\u0435 \u0434\u0432\u0430 \u0441\u043b\u043e\u0432\u0430:",
    instructions_audio: "\u0412\u0432\u0435\u0434\u0438\u0442\u0435 \u0432\u043e\u0441\u0435\u043c\u044c \u0447\u0438\u0441\u0435\u043b:",
    help_btn: "\u041f\u043e\u043c\u043e\u0449\u044c",
    incorrect_try_again: "\u041d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e."
};
var RecaptchaStr_tr = {
    visual_challenge: "G\u00f6rsel deneme",
    audio_challenge: "\u0130\u015Fitsel deneme",
    refresh_btn: "Yeni deneme",
    instructions_visual: "\u0130ki kelimeyi yaz\u0131n:",
    instructions_audio: "Sekiz numaray\u0131 yaz\u0131n:",
    help_btn: "Yard\u0131m (\u0130ngilizce)",
    incorrect_try_again: "Yanl\u0131\u015f. Bir daha deneyin."
};
var RecaptchaLangMap = {
    en: RecaptchaStr_en,
    de: RecaptchaStr_de,
    es: RecaptchaStr_es,
    fr: RecaptchaStr_fr,
    nl: RecaptchaStr_nl,
    pt: RecaptchaStr_pt,
    ru: RecaptchaStr_ru,
    tr: RecaptchaStr_tr
};
var RecaptchaStr = RecaptchaStr_en;
var RecaptchaOptions;
var RecaptchaDefaultOptions = {
    tabindex: 0,
    theme: 'red',
    callback: null,
    lang: 'en',
    custom_theme_widget: null,
    custom_translations: null
};
var Recaptcha = {
    widget: null,
    timer_id: -1,
    style_set: false,
    theme: null,
    type: 'image',
    ajax_verify_cb: null,
    $: function(id) {
        if (typeof (id) == "string") {
            return document.getElementById(id);
        }
        else {
            return id;
        }
    },
    create: function(public_key, element, options) {
        Recaptcha.destroy();
        if (element) {
            Recaptcha.widget = Recaptcha.$(element);
        }
        Recaptcha._init_options(options);
        Recaptcha._call_challenge(public_key);
    },
    destroy: function() {
        var challengefield = Recaptcha.$('recaptcha_challenge_field');
        if (challengefield) {
            challengefield.parentNode.removeChild(challengefield);
        }
        if (Recaptcha.timer_id != -1) {
            clearInterval(Recaptcha.timer_id);
        }
        Recaptcha.timer_id = -1;
        var imagearea = Recaptcha.$('recaptcha_image');
        if (imagearea) {
            imagearea.innerHTML = "";
        }
        // don't clear the area if it's custom, the caller might want to
        // reuse the dom elements.
        if (Recaptcha.widget) {
            if (Recaptcha.theme != "custom") {
                Recaptcha.widget.innerHTML = "";
            } else {
                Recaptcha.widget.style.display = "none";
            }
            Recaptcha.widget = null;
        }
    },
    focus_response_field: function() {
        var $ = Recaptcha.$;
        var field = $('recaptcha_response_field');
        field.focus();
    },
    get_challenge: function() {
        if (typeof (RecaptchaState) == "undefined") {
            return null;
        }
        return RecaptchaState.challenge;
    },
    get_response: function() {
        var $ = Recaptcha.$;
        var field = $('recaptcha_response_field');
        if (!field) {
            return null;
        }
        return field.value;
    },
    ajax_verify: function(callback) {
        Recaptcha.ajax_verify_cb = callback;
        var scriptURL = Recaptcha._get_api_server() + "/ajaxverify" +
"?c=" + encodeURIComponent(Recaptcha.get_challenge()) +
"&response=" + encodeURIComponent(Recaptcha.get_response());
        Recaptcha._add_script(scriptURL);
    },
    _ajax_verify_callback: function(data) {
        Recaptcha.ajax_verify_cb(data);
    },
    _get_api_server: function() {
        var protocol = window.location.protocol;
        var server;
        if (typeof (_RecaptchaOverrideApiServer) != "undefined") {
            server = _RecaptchaOverrideApiServer;
        } else if (protocol == 'https:') {
            server = "api-secure.recaptcha.net";
        } else {
            server = "api.recaptcha.net";
        }
        return protocol + "//" + server;
    },
    _call_challenge: function(public_key) {
        var scriptURL = Recaptcha._get_api_server() + "/challenge?k=" + public_key + "&ajax=1&cachestop=" + Math.random();
        if (typeof (RecaptchaOptions.extra_challenge_params) != "undefined") {
            scriptURL += "&" + RecaptchaOptions.extra_challenge_params;
        }
        Recaptcha._add_script(scriptURL);
    },
    _add_script: function(scriptURL) {
        var scriptTag = document.createElement("script");
        scriptTag.type = "text/javascript";
        scriptTag.src = scriptURL;
        Recaptcha._get_script_area().appendChild(scriptTag);
    },
    _get_script_area: function() {
        var parentElement = document.getElementsByTagName("head");
        if (!parentElement || parentElement.length < 1) {
            parentElement = document.body;
        }
        else {
            parentElement = parentElement[0];
        }
        return parentElement;
    },
    _hash_merge: function(hashes) {
        var r = {};
        for (var h in hashes) {
            for (var k in hashes[h]) {
                r[k] = hashes[h][k]
            }
        }
        return r;
    },
    _init_options: function(opts) {
        RecaptchaOptions = Recaptcha._hash_merge([RecaptchaDefaultOptions, opts || {}]);
    },
    challenge_callback: function() {
        var element = Recaptcha.widget;
        Recaptcha._reset_timer();
        RecaptchaStr = Recaptcha._hash_merge([
RecaptchaStr_en,
RecaptchaLangMap[RecaptchaOptions.lang] || {},
RecaptchaOptions.custom_translations || {}]);
        /* Try to avoid back/forward cache problems */
        // firefox
        if (window.addEventListener) {
            window.addEventListener('unload', function(e) { Recaptcha.destroy(); }, false);
        }
        // IE
        if (Recaptcha._is_ie() && window.attachEvent) {
            window.attachEvent('onbeforeunload', function() {
                // I think this may be causing some errors -- it seems
                // that sometimes IE isn't submitting the form fully
                // This may be breaking the back button functionality
                // :-(
                //Recaptcha.destroy();
            });
        }
        // safari
        if (navigator.userAgent.indexOf("KHTML") > 0) {
            var iframe = document.createElement('iframe');
            iframe.src = "about:blank";
            iframe.style.height = "0px";
            iframe.style.width = "0px";
            iframe.style.visibility = "hidden";
            iframe.style.border = "none";
            var textNode = document.createTextNode("This frame prevents back/forward cache problems in Safari.");
            iframe.appendChild(textNode);
            document.body.appendChild(iframe);
        }
        Recaptcha._finish_widget();
    },
    _add_css: function(css) {
        var styleTag = document.createElement("style");
        styleTag.type = "text/css";
        if (styleTag.styleSheet) { // IE only
            if (navigator.appVersion.indexOf("MSIE 5") != -1) { // IE 5 crashes if we add a style tag to the DOM
                document.write("<style type='text/css'>" + css + "</style>");
            }
            else {
                styleTag.styleSheet.cssText = css;
            }
        } else if (navigator.appVersion.indexOf("MSIE 5") != -1) {
            document.write("<style type='text/css'>" + css + "</style>");
        }
        else {
            var textNode = document.createTextNode(css);
            styleTag.appendChild(textNode);
        }
        Recaptcha._get_script_area().appendChild(styleTag);
    },
    _set_style: function(css) {
        // We only allow the style to be set once, because IE behaves
        // poorly otherwise.  Same goes for Recaptcha.theme.
        if (Recaptcha.style_set) {
            return;
        }
        Recaptcha.style_set = true;
        Recaptcha._add_css(css + "\n\n" +
".recaptcha_is_showing_audio .recaptcha_only_if_image," +
".recaptcha_isnot_showing_audio .recaptcha_only_if_audio," +
".recaptcha_had_incorrect_sol .recaptcha_only_if_no_incorrect_sol," +
".recaptcha_nothad_incorrect_sol .recaptcha_only_if_incorrect_sol" +
"{display:none !important}");
    },
    _init_builtin_theme: function() {
        var $ = Recaptcha.$;
        var $_ = RecaptchaStr;
        var $ST = RecaptchaState;
        var css, html, imgfmt;
        var server_no_slash = $ST.server;
        if (server_no_slash[server_no_slash.length - 1] == "/")
            server_no_slash = server_no_slash.substring(0, server_no_slash.length - 1);
        var IMGROOT = server_no_slash + "/img/" + Recaptcha.theme;
        if (Recaptcha.theme == 'clean') {
            css = RecaptchaTemplates.CleanCss;
            html = RecaptchaTemplates.CleanHtml;
            imgfmt = 'png';
        }
        else {
            css = RecaptchaTemplates.VertCss;
            html = RecaptchaTemplates.VertHtml;
            imgfmt = 'gif';
        }
        css = css.replace(/IMGROOT/g, IMGROOT);
        Recaptcha._set_style(css);
        Recaptcha.widget.innerHTML = "<div id='recaptcha_area'>" + html + "</div>";
        $('recaptcha_reload').src = IMGROOT + "/refresh." + imgfmt;
        $('recaptcha_switch_audio').src = IMGROOT + "/audio." + imgfmt;
        $('recaptcha_switch_img').src = IMGROOT + "/text." + imgfmt;
        $('recaptcha_whatsthis').src = IMGROOT + "/help." + imgfmt;
        if (Recaptcha.theme == 'clean') {
            $('recaptcha_logo').src = IMGROOT + "/logo." + imgfmt;
            $('recaptcha_tagline').src = IMGROOT + "/tagline." + imgfmt;
        }
        $('recaptcha_reload').alt = $_.refresh_btn;
        $('recaptcha_switch_audio').alt = $_.audio_challenge;
        $('recaptcha_switch_img').alt = $_.visual_challenge;
        $('recaptcha_whatsthis').alt = $_.help_btn;
        $('recaptcha_reload_btn').href = "javascript:Recaptcha.reload ();";
        $('recaptcha_reload_btn').title = $_.refresh_btn;
        $('recaptcha_switch_audio_btn').href = "javascript:Recaptcha.switch_type('audio');";
        $('recaptcha_switch_audio_btn').title = $_.audio_challenge;
        $('recaptcha_switch_img_btn').href = "javascript:Recaptcha.switch_type('image');";
        $('recaptcha_switch_img_btn').title = $_.visual_challenge;
        $('recaptcha_whatsthis_btn').href = Recaptcha._get_help_link();
        $('recaptcha_whatsthis_btn').target = "_blank";
        $('recaptcha_whatsthis_btn').title = $_.help_btn;
        $('recaptcha_whatsthis_btn').onclick = function() {
            Recaptcha.showhelp();
            return false;
        };
        $('recaptcha_table').className = "recaptchatable " + "recaptcha_theme_" + Recaptcha.theme;
        if ($("recaptcha_instructions_image")) {
            $("recaptcha_instructions_image").appendChild(document.createTextNode($_.instructions_visual));
        }
        if ($("recaptcha_instructions_audio")) {
            $("recaptcha_instructions_audio").appendChild(document.createTextNode($_.instructions_audio));
        }
        if ($("recaptcha_instructions_error")) {
            $("recaptcha_instructions_error").appendChild(document.createTextNode($_.incorrect_try_again));
        }
    },
    _finish_widget: function() {
        var $ = Recaptcha.$;
        var $_ = RecaptchaStr;
        var $ST = RecaptchaState;
        var $OPT = RecaptchaOptions;
        var theme = $OPT.theme;
        switch (theme) {
            case 'red': case 'white': case 'blackglass': case 'clean': case 'custom':
                break;
            default:
                theme = 'red';
                break;
        }
        if (!Recaptcha.theme) {
            Recaptcha.theme = theme;
        }
        if (Recaptcha.theme != "custom") {
            Recaptcha._init_builtin_theme();
        } else {
            // get the rules for audio/visual error/no error
            Recaptcha._set_style("");
        }
        var challengeFieldHolder = document.createElement("span");
        challengeFieldHolder.id = "recaptcha_challenge_field_holder";
        challengeFieldHolder.style.display = "none";
        $('recaptcha_response_field').parentNode.insertBefore(challengeFieldHolder, $('recaptcha_response_field'));
        $('recaptcha_response_field').setAttribute("autocomplete", "off");
        $('recaptcha_image').style.width = '300px';
        $('recaptcha_image').style.height = '57px';
        Recaptcha.should_focus = false;
        Recaptcha._set_challenge($ST.challenge, 'image');
        if ($OPT.tabindex) {
            $('recaptcha_response_field').tabIndex = $OPT.tabindex;
            if (Recaptcha.theme != "custom") {
                $('recaptcha_whatsthis_btn').tabIndex = $OPT.tabindex;
                $('recaptcha_switch_img_btn').tabIndex = $OPT.tabindex;
                $('recaptcha_switch_audio_btn').tabIndex = $OPT.tabindex;
                $('recaptcha_reload_btn').tabIndex = $OPT.tabindex;
            }
        }
        if (Recaptcha.widget) {
            Recaptcha.widget.style.display = '';
        }
        if ($OPT.callback) {
            $OPT.callback();
        }
    },
    switch_type: function(new_type) {
        var $C = Recaptcha;
        $C.type = new_type;
        $C.reload($C.type == 'audio' ? 'a' : 'v');
    },
    reload: function(reason) {
        var $C = Recaptcha;
        var $ = $C.$;
        var $ST = RecaptchaState;
        if (typeof (reason) == "undefined")
            reason = 'r';
        var scriptURL = $ST.server + "reload?c=" + $ST.challenge + "&k=" + $ST.site + "&reason=" + reason + "&type=" + $C.type + "&lang=" + RecaptchaOptions.lang;
        if (typeof (RecaptchaOptions.extra_challenge_params) != "undefined") {
            scriptURL += "&" + RecaptchaOptions.extra_challenge_params;
        }
        if ($C.type == 'audio') {
            if (RecaptchaOptions.audio_beta_12_08) {
                scriptURL += "&audio_beta_12_08=1";
            } else {
                scriptURL += "&new_audio_default=1";
            }
        }
        $C.should_focus = reason != 't';
        $C._add_script(scriptURL);
    },
    finish_reload: function(new_challenge, type) {
        RecaptchaState.is_incorrect = false;
        Recaptcha._set_challenge(new_challenge, type);
    },
    _set_challenge: function(new_challenge, type) {
        var $C = Recaptcha;
        var $ST = RecaptchaState;
        var $ = $C.$;
        $ST.challenge = new_challenge;
        // this should really be the case already...
        $C.type = type;
        // using innerHTML prevents back/forward from caching this
        $('recaptcha_challenge_field_holder').innerHTML = "<input type='hidden' name='recaptcha_challenge_field' id='recaptcha_challenge_field' value='" + $ST.challenge + "'/>";
        if (type == 'audio') {
            $("recaptcha_image").innerHTML = Recaptcha.getAudioCaptchaHtml();
        } else if (type == 'image') {
            var imageurl = $ST.server + 'image?c=' + $ST.challenge;
            // display:block due to http://developer.mozilla.org/en/docs/Images%2C_Tables%2C_and_Mysterious_Gap
            // use innerHTML to avoid triggering a firefox dom preference
            $('recaptcha_image').innerHTML = "<img style='display:block;' height='57' width='300' src='" + imageurl + "'/>";
        }
        Recaptcha._css_toggle("recaptcha_had_incorrect_sol", "recaptcha_nothad_incorrect_sol", $ST.is_incorrect);
        Recaptcha._css_toggle("recaptcha_is_showing_audio", "recaptcha_isnot_showing_audio", type == 'audio');
        $C._clear_input();
        if ($C.should_focus) {
            $C.focus_response_field();
        }
        $C._reset_timer();
    },
    _reset_timer: function() {
        var $ST = RecaptchaState;
        clearInterval(Recaptcha.timer_id);
        Recaptcha.timer_id = setInterval("Recaptcha.reload('t');", ($ST.timeout - 60 * 5) * 1000);
    },
    showhelp: function() {
        window.open(Recaptcha._get_help_link(), "recaptcha_popup", "width=460,height=570,location=no,menubar=no,status=no,toolbar=no,scrollbars=yes,resizable=yes");
    },
    _clear_input: function() {
        var resp = Recaptcha.$('recaptcha_response_field');
        resp.value = "";
    },
    _displayerror: function(msg) {
        var $ = Recaptcha.$;
        $('recaptcha_image').innerHTML = '';
        $('recaptcha_image').appendChild(document.createTextNode(msg));
    },
    reloaderror: function(msg) {
        Recaptcha._displayerror(msg);
    },
    _is_ie: function() { return (navigator.userAgent.indexOf("MSIE") > 0) && !window.opera; },
    _css_toggle: function(classT, classF, isset) {
        // try to do these CSS toggles just on the recaptcha widget. But,
        // if that wasn't passed in, go for the document body.
        var element = Recaptcha.widget;
        if (!element)
            element = document.body;
        var classname = element.className;
        classname = classname.replace(
new RegExp("(^|\\s+)" + classT + "(\\s+|$)"), ' ');
        classname = classname.replace(
new RegExp("(^|\\s+)" + classF + "(\\s+|$)"), ' ');
        classname += " " + (isset ? classT : classF);
        element.className = classname;
    },
    _get_help_link: function() {
        var lang = RecaptchaOptions.lang;
        return 'http://recaptcha.net/popuphelp/' + (lang == 'en' ? "" : (lang + ".html"));
    },
    playAgain: function() {
        var $ = Recaptcha.$;
        $("recaptcha_image").innerHTML = Recaptcha.getAudioCaptchaHtml();
    },
    getAudioCaptchaHtml: function() {
        var $C = Recaptcha;
        var $ST = RecaptchaState;
        var $ = Recaptcha.$;
        var httpwavurl = $ST.server + "image?c=" + $ST.challenge;
        if (httpwavurl.indexOf("https://") == 0) {
            httpwavurl = "http://" + httpwavurl.substring(8);
        }
        var swfUrl = $ST.server + "/img/audiocaptcha.swf?v2";
        var embedCode;
        if ($C._is_ie()) {
            embedCode = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" id="audiocaptcha" width="0" height="0" codebase="https://fpdownload.macromedia.com/get/flashplayer/current/swflash.cab"><param name="movie" value="' + swfUrl + '" /><param name="quality" value="high" /><param name="bgcolor" value="#869ca7" /><param name="allowScriptAccess" value="always" /></object><br/>';
        } else {
            embedCode = '<embed src="' + swfUrl + '" quality="high" bgcolor="#869ca7" width="0" height="0" name="audiocaptcha" align="middle" play="true" loop="false" quality="high" allowScriptAccess="always" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/go/getflashplayer"></embed> ';
        }
        var cantHearCode = (Recaptcha.checkFlashVer() ? '<br/><a class="recaptcha_audio_cant_hear_link" href="#" onclick="Recaptcha.playAgain(); return false;">' + RecaptchaStr.play_again + '</a>' : '') +
'<br/><a class="recaptcha_audio_cant_hear_link" target="_blank" href="' + httpwavurl + '">' + RecaptchaStr.cant_hear_this + '</a>';
        return embedCode + cantHearCode;
    },
    gethttpwavurl: function() {
        var $ST = RecaptchaState;
        if (Recaptcha.type == 'audio') {
            var httpwavurl = $ST.server + "image?c=" + $ST.challenge;
            if (httpwavurl.indexOf("https://") == 0) {
                httpwavurl = "http://" + httpwavurl.substring(8);
            }
            return httpwavurl;
        }
        return "";
    },
    checkFlashVer: function() {
        var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
        var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
        var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
        var flashVer = -1;
        if (navigator.plugins != null && navigator.plugins.length > 0) {
            if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
                var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
                var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
                var descArray = flashDescription.split(" ");
                var tempArrayMajor = descArray[2].split(".");
                flashVer = tempArrayMajor[0];
            }
        } else if (isIE && isWin && !isOpera) {
            try {
                // version will be set for 7.X or greater players
                var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
                var flashVerStr = axo.GetVariable("$version");
                flashVer = flashVerStr.split(" ")[1].split(",")[0];
            } catch (e) {
            }
        }
        return flashVer >= 9;
    },
    getlang: function() {
        return RecaptchaOptions.lang;
    }
};