js收藏和设置首页

//加入收藏

function addFavorite()

{

    if(document.all)

    {

        try

        {

            window.external.addFavorite(window.location.href, document.title);

        }

        catch(e)

        {

            alert("加入收藏失败，请使用Ctrl+D进行添加");

        }

    }

    else if(window.sidebar)

    {

        window.sidebar.addPanel(document.title, window.location.href, "");

    }

    else

    {

        alert("加入收藏失败，请使用Ctrl+D进行添加");

    }

}

//设为首页

function setHomepage()

{

    if(document.all)

    {

        document.body.style.behavior = 'url(#default#homepage)';

        document.body.setHomePage(window.location.href);

    }

    else if(window.sidebar)

    {

        if(window.netscape)

        {

            try

            {

              str = 'UniversalXPConnect';

              netscape.security.PrivilegeManager.enablePrivilege(str);

            }

            catch(e)

            {

                str = '该操作被浏览器拒绝，如果想启用该功能，';

                str+='请在地址栏内输入 about:config,然后将项';

                str+='signed.applets.codebase_principal_support值该为true';

                alert(str);

            }

        }

        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);

        prefs.setCharPref('browser.startup.homepage', window.location.href);

    }

    else

    {

        alert('您的浏览器不支持自动自动设置首页, 请使用浏览器菜单手动设置!');

    }

}