function addBookmark(title,url) 
{
    if (window.sidebar) 
    { 
        window.sidebar.addPanel(title, url,""); 
    } 
    else if( document.all ) 
    {
        window.external.AddFavorite( url, title);
    } 
    else if(navigator.userAgent.toLowerCase().indexOf("safari") != -1)
    {
        alert("提示：同时按下键盘上的Ctrl+D键即可将本页添加到书签。");
    }
    else if( window.opera && window.print ) 
    {
        return true;
    }
}

function setHomePage(url)
{ 
  if(document.all)
  {
       document.body.style.behavior='url(#default#homepage)';
       document.body.setHomePage(url);
  }
  else if (window.netscape)
  {
        try 
        {  
          netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");  
        }  
        catch (e)  
        {  
          alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'");  
        }
        
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage',url);
  } 
  else if(navigator.userAgent.toLowerCase().indexOf("safari") != -1)
  {
       alert("提示：您可以点击菜单项‘编辑’，然后选择‘偏好设置’，\r\n在弹出的窗口中选择‘常规’，把本页的URL拷贝到‘主页’文本框即可。");
  }
}