document.open();
document.write('<frameset rows="148,*" frameborder="1">');
document.write('<frame name="header" src="header.html" scrolling="no" noresize="noresize" />');
document.write('<frameset  cols="336,*" frameborder="1">');
document.write('<frame name="confList" src="' + confListFrameSrc + '" />');
document.write('<frame name="treeAndMessage" src="treeandmessage.html?confId=' + confId + '&themeId=' + themeId + '&messageId=' + messageId + '" />');
document.write('</frameset>');
document.write('</frameset>');
document.close();

function sendRequest(theme_id) {

    var message;
    if (document.getElementsByTagName('frame')[2].contentDocument) {
        message = document.getElementsByTagName('frame')[2].contentDocument.getElementsByName('message')[0].contentDocument;
    } else {
        message = document.frames[2].document.frames[1].document;
    }
    var spinner = message.getElementById('spinner');
    var spinner_message = message.getElementById('spinner_message');

    Element.show(spinner);
    spinner_message.innerHTML = 'Выполняется...';

    new Ajax.Request(
        'unsubscribe.html',
        {
            asynchronous: true, 
            evalScripts: true, 
            method: 'get',
            parameters: 'themeId='+theme_id,
            onComplete: function(request) {
                Element.hide(spinner);
            }
        }
    );
}