function addBookmark(title) {
  var url=parent.location.href;
  if (window.sidebar) { 
  window.sidebar.addPanel(title, url,""); 
  } else if( document.all ) {
  window.external.AddFavorite( url, title);
  } else if( window.opera && window.print ) {
  return true;
  }
  }
  function SetHome(obj,vrl){
  try{
  obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
  }
  catch(e){
  if(window.netscape) {
  try {
  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
  } 
  catch (e) 
  { 
  alert(" 抱歉！您的浏览器不支持直接设为首页。\n请在浏览器地址栏输入“about:config”并回车然后将[signed.applets.codebase_principal_support]设置为“true”，点击“加入收藏”后忽略安全提示，即可设置成功。"); 
  }
  var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
  prefs.setCharPref('browser.startup.homepage',vrl);
  }
  }
}