function AddFavorite(sURL, sTitle)
    {
        try
        {
            window.external.addFavorite(sURL, sTitle);
        }
        catch (e)
        {
            try
            {
                window.sidebar.addPanel(sTitle, sURL, "");
            }
            catch (e)
            {
                alert("加入收藏失败，请使用Ctrl+D进行添加");
            }
        }
    }
function window.onbeforeunload(){  
if (event.clientX>document.body.clientWidth && event.clientY<0 ||event.altKey)  
{
    AddFavorite('http://www.sichuan517.com','四川省中国旅行社');

}
}