var isIE=(document.all&&document.getElementById&&!window.opera)?true:false;
var isMozilla=(!document.all&&document.getElementById&&!window.opera)?true:false;
var isOpera=(window.opera)?true:false;
var seturl='url(#default#homepage)';
var weburl=window.location.href;
var webname=document.title;

function myhomepage() {
if(isMozilla){
   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',"http://www.71wan.com/");
}
if(isIE){
   this.homepage.style.behavior=seturl;this.homepage.sethomepage("http://www.71wan.com/");
}
}

function addfavorite()
{
    if(isMozilla){
       if (document.all){ window.external.addFavorite("http://www.71wan.com/","齐玩游戏");}
       else if (window.sidebar){ window.sidebar.addPanel("齐玩游戏", "http://www.71wan.com/","齐玩游戏");}
    }
    if(isIE){window.external.AddFavorite("http://www.71wan.com/", "齐玩游戏");}


//   if(document.all){
//      window.external.addFavourite('http://www.71wan.com/','齐玩游戏');
//   }
//   else if(window.sidebar){
//      window.sidebar.addPanel('齐玩游戏','http://www.71wan.com/',"");
//   }
}