function addFavouritePage()
{
 if (document.all)
    {
       window.external.addFavorite('http://www.hanghaijia.com','航海家，航海家软件');
    }
    else if (window.sidebar)
    {
       window.sidebar.addPanel('航海家，航海家软件', 'http://www.hanghaijia.com', "");
 }
}

function setHomepage()
{
 if (document.all)
    {
        document.body.style.behavior='url(#default#homepage)';
        document.body.setHomePage('http://www.hanghaijia.com');         
    }
    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 值该为true" );  
            }
        } 
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage','http://www.hanghaijia.com');
    }
}