var mailWnd = null;

changeMail = function() {
    var wnd = new JSWindow();
    wnd.setCaption('\u041d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430');
    wnd.loadFromURL('/change_email.jsp', true, null);
    mailWnd = wnd;
};

doChangeMail = function() {
    if( mailWnd != null ) {

        $('change_email_btn').disabled = true;
        var rs = '';
        rs += 'email=';
        rs += escape( $('change_email_email').value );
        rs += '&captcha=';
        rs += escape( $('change_email_captcha').value );
        
        var r = new Ajax.Request( prefix + '/ChangeMail?' + rs, {
            onComplete : function( transport ) {
                if( r.success() ) {
                    if( transport.responseText == 'OK' ) {
                        mailWnd.closeWindow();
                        mailWnd = null;
                        alert("\u041d\u0430 \u0432\u0430\u0448 \u043d\u043e\u0432\u044b\u0439 \u044f\u0449\u0438\u043a \u0432\u044b\u0441\u043b\u0430\u043d\u043e \u043f\u0438\u0441\u044c\u043c\u043e \u0441 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u0435\u043c. \u041f\u043e\u043a\u0430 \u0432\u044b \u043d\u0435 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0434\u0438\u0442\u0435 \u0441\u043c\u0435\u043d\u0443 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u044f\u0449\u0438\u043a\u0430 \u0431\u0443\u0434\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0441\u0442\u0430\u0440\u044b\u0439.");
                    } else {
                        refreshCMCaptcha();
                        $('change_email_btn').disabled = false;
                        alert( transport.responseText );
                    }
                } else {
                    $('change_email_btn').disabled = false;
                }
                return null;
            }
        });
    }
};

refreshCMCaptcha = function() {
    var box = $('change_email_captcha_box');

    recursiveCleaner(box);

    var img = document.createElement( 'IMG' );
    img.src = prefix + '/CaptchaServlet?captchaName=changeMailCaptcha&garbage=' + Math.random();
    
    box.appendChild(img);
};