var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var is_gecko = ((clientPC.indexOf('gecko')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('khtml') == -1) && (clientPC.indexOf('netscape/7.0')==-1));
var is_safari = ((clientPC.indexOf('applewebkit')!=-1) && (clientPC.indexOf('spoofer')==-1));
var is_khtml = (navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled ));
if (clientPC.indexOf('opera') != -1) {
        var is_opera = true;
        var is_opera_preseven = (window.opera && !document.childNodes);
        var is_opera_seven = (window.opera && document.childNodes);
}

    function insertText(txtarea, tagOpen) {
    tagClose   = '';
    sampleText = '';
    // IE
    if (document.selection  && !is_gecko) {
        var theSelection = document.selection.createRange().text;
        if (!theSelection)
            theSelection=sampleText;
        txtarea.focus();
        if (theSelection.charAt(theSelection.length - 1) == " ") { // exclude ending space char, if any
            theSelection = theSelection.substring(0, theSelection.length - 1);
            document.selection.createRange().text = tagOpen + theSelection + tagClose + " ";
        } else {
            document.selection.createRange().text = tagOpen + theSelection + tagClose;
        }

    // Mozilla
    } else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
        var replaced = false;
        var startPos = txtarea.selectionStart;
        var endPos = txtarea.selectionEnd;
        if (endPos-startPos)
            replaced = true;
        var scrollTop = txtarea.scrollTop;
        var myText = (txtarea.value).substring(startPos, endPos);
        if (!myText)
            myText=sampleText;
        if (myText.charAt(myText.length - 1) == " ") { // exclude ending space char, if any
            subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " ";
        } else {
            subst = tagOpen + myText + tagClose;
        }
        txtarea.value = txtarea.value.substring(0, startPos) + subst +
            txtarea.value.substring(endPos, txtarea.value.length);
        txtarea.focus();
        //set new selection
        if (replaced) {
            var cPos = startPos+(tagOpen.length+myText.length+tagClose.length);
            txtarea.selectionStart = cPos;
            txtarea.selectionEnd = cPos;
        } else {
            txtarea.selectionStart = startPos+tagOpen.length;
            txtarea.selectionEnd = startPos+tagOpen.length+myText.length;
        }
        txtarea.scrollTop = scrollTop;

    // All other browsers get no toolbar.
    // There was previously support for a crippled "help"
    // bar, but that caused more problems than it solved.
    }
    // reposition cursor if possible
    if (txtarea.createTextRange)
        txtarea.caretPos = document.selection.createRange().duplicate();
    }


    function otk_html_smile(name, area)
    {
        var text = document.getElementById(area);
        insertText(text, ' :' + name + ': ');
    }
    function otk_html_strong(area)
    {
        var strong = prompt(otk_lang_buttons_b, '');
        if (strong == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<strong>' + strong + '</strong>');
    }
    function otk_html_em(area)
    {
        var em = prompt(otk_lang_buttons_i, '');
        if (em == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<em>' + em + '</em>');
    }
    function otk_html_samp(area)
    {
        var samp = prompt(otk_lang_buttons_samp, '');
        if (samp == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<samp>' + samp + '</samp>');
    }
    function otk_html_kbd(area)
    {
        var kbd = prompt(otk_lang_buttons_kbd, '');
        if (kbd == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<kbd>' + kbd + '</kbd>');
    }
    function otk_html_var(area)
    {
        var var_ = prompt(otk_lang_buttons_var, '');
        if (var_ == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<var>' + var_ + '</var>');
    }

    function otk_html_ol(area)
    {
        var number = Number(prompt(otk_lang_buttons_ol, ''));
        if (number != 0) {
            t = '<ol>\n';
            for (i = 1; i <= number; i++) {
                element = prompt(otk_lang_buttons_li, '');
                if (element == null) {
                    exit;
                }
                t += '<li>' + element + '</li>\n';
            }
            t += '</ol>\n';
            var text = document.getElementById(area);
            insertText(text, t);
        }
    }
    function otk_html_ul(area)
    {
        var number = Number(prompt(otk_lang_buttons_ul, ''));
        if (number != 0) {
            t = '<ul>\n';
            for (i = 1; i <= number; i++) {
                element = prompt(otk_lang_buttons_li, '');
                if (element == null) {
                    exit;
                }
                t += '<li>' + element + '</li>\n';
            }
            t += '</ul>\n';
            var text = document.getElementById(area);
            insertText(text, t);
        }
    }
    function otk_html_dl(area)
    {
        var number = Number(prompt(otk_lang_buttons_dl, ''));
        if (number != 0) {
            t = '<dl>\n';
            for (i = 1; i <= number; i++) {
                term = prompt(otk_lang_buttons_dt, '');
                if (term == null) {
                    exit;
                }
                definition = prompt(otk_lang_buttons_dd, '');
                if (definition == null) {
                    exit;
                }
                t += '<dt>' + term + '</dt>\n';
                t += '<dd>' + definition + '</dd>\n';
            }
            t += '</dl>\n';
            var text = document.getElementById(area);
            insertText(text, t);
        }
    }
    function otk_html_abbr(area)
    {
        var abbr  = prompt(otk_lang_buttons_abbr, '');
        if (abbr == null) {
            exit;
        }
        var title = prompt(otk_lang_buttons_abbr_title, '');
        if (title == null) {
            exit;
        }
        var lang  = prompt(otk_lang_buttons_abbr_lang, otk_lang);
        if (lang == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<abbr title="' + title + '" lang="' + lang + '">' + abbr + '</abbr>');
    }
    function otk_html_acronym(area)
    {
        var acr  = prompt(otk_lang_buttons_acronym, '');
        if (acr == null) {
            exit;
        }
        var title = prompt(otk_lang_buttons_acronym_title, '');
        if (title == null) {
            exit;
        }
        var lang  = prompt(otk_lang_buttons_acronym_lang, otk_lang);
        if (lang == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<acronym title="' + title + '">' + acr + '</acronym>');
    }
    function otk_html_img(area)
    {
        var src = prompt(otk_lang_buttons_img_src, 'http://');
        if (src == null) {
            exit;
        }
        var alt = prompt(otk_lang_buttons_img_alt, '');
        if (alt == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<img src="' + src + '" alt="' + alt + '" />');
    }
    function otk_html_a(area)
    {
        var href = prompt(otk_lang_buttons_a_href, 'http://');
        if (href == null) {
            exit;
        }
        var desc = prompt(otk_lang_buttons_a_description, '');
        if (desc == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<a href="' + href + '">' + desc + '</a>');
    }
    function otk_html_link(area)
    {
        var href = prompt(otk_lang_buttons_link_href, 'http://');
        if (href == null) {
            exit;
        }
        var desc = prompt(otk_lang_buttons_link_description, '');
        if (desc == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<a class="blank" href="' + href + '">' + desc + '</a>');
    }
    function otk_html_code(area)
    {
        var text = document.getElementById(area);
        t = '<strong>' + otk_lang_code + ':</strong><div class="code"><code>\n';
        t += '\n';
        t += '</code></div>';
        insertText(text, t);
    }
    function otk_html_quote(area)
    {
        var cite = prompt(otk_lang_buttons_quote_cite, '');
        if (cite == null) {
            exit;
        }
        var text = document.getElementById(area);
        t = '<blockquote cite="' + cite + '">\n';
        t += '\n';
        t += '</blockquote>';
        insertText(text, t);
    }
    function otk_html_q(area)
    {
        var q = prompt(otk_lang_buttons_q, '');
        if (q == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<q>' + q + '</q>');
    }
    function otk_html_hr(area)
    {
        var text = document.getElementById(area);
        insertText(text, '<hr />\n');
    }
    function otk_html_color(c, area)
    {
        var t = prompt(otk_lang_buttons_color, '');
        if (t == null) {
            exit;
        }
        var text = document.getElementById(area);
        insertText(text, '<span style="color: ' + c + ';">' + t + '</span>');
    }
    function otk_redirect(location)
    {
        location.href = location;
    }
    function otk_show_hide(id)
    {
        var element = document.getElementById(id);
        if (element.style.display == 'block') {
            element.style.display = 'none';
        } else {
            element.style.display = 'block';
        }
    }
    function otk_intercept()
    {
        for (var count = 0; count < document.links.length; count++) {
            if (document.links[count].className == 'blank') {
                document.links[count].target = '_blank';
            }
            if (document.links[count].className == 'button_blank') {
                document.links[count].target = '_blank';
            }
            if (document.links[count].className == 'partner') {
                document.links[count].target = '_blank';
            }
        }
    }
    function otk_popup(url, w, h)
    {
        if (!w) {
            w = '300';
        }
        if (!h) {
            h = '250';
        }
        var style = 'top=0, left=0, width=' + w + ', height=' + h + ', status=no, menubar=no, toolbar=no scrollbar=no';
        window.open(url, '', style);
    }
    function otk_update(id, urls)
    {
        var url = otk_base + urls[urls.selectedIndex].value;
        document.getElementById(id).setAttribute('src', url);
    }