//加入收藏夹
//addFavorite('http://hi.baidu.com','sitename');
function addFavorite(url,title){
    if (document.all){
       window.external.addFavorite(url,title);
    }else if (window.sidebar){
       window.sidebar.addPanel(title, url, "");
    }
}

//设为首页
//setHomepage('http://hi.baidu.com/xsunday/');
function setHomepage(url)
{
    if (document.all){
        document.body.style.behavior='url(#default#homepage)';
        document.body.setHomePage(url);
    }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',url);}
}