var url = 'http://' + window.location.host + '/';

function setHomePage() {
    if (document.all) {
        var homepage = document.getElementById('hs_homepage');
        if (!homepage)
            return;        
            homepage.style.behavior = 'url(#default#homepage)';
            homepage.setHomePage(url);
    }
    else
        alert('Chọn Tools > Option > Main > Use Current Page (Alt+C) để đặt trang chủ!');
};
function addFavorite() {
    var title = 'Hồng Sơn Portal';    
    if (document.all)
        window.external.AddFavorite(url, title);
    else if (window.sidebar)
        window.sidebar.addPanel(title, url, "")
};