设置首页 js代码

function HomePage() {
    if (document.all) {
        document.body.style.behavior = 'url(#default#homepage)';
        document.body.setHomePage(window.location);
    }
    else if (window.sidebar) {
        if (window.netscape) {
            try {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
            }
            catch (e) {
                alert("该操作被浏览器拒绝,如果想启用该功能,请在地址栏内输入about:config,然后将项signed.applets.codebase_principal_support值改为true");
            }
        }
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage', 'http://hao.rising.cn');
    }
    else {
        alert('抱歉，您的浏览器不支持设为主页功能，请从浏览器菜单自行设置');
    }
}