// JavaScript Document
function addfavor(url,title) {
    if(confirm("网站名称："+title+"\n网址："+url+"\n确定添加收藏?")){
        var ua = navigator.userAgent.toLowerCase();
        if(ua.indexOf("msie 8")>-1){
            external.AddToFavoritesBar(url,title,'IT有道');//IE8
        }else{
            try {
                window.external.addFavorite(url, title);
            } catch(e) {
                try {
                    window.sidebar.addPanel(title, url, "");//firefox
                } catch(e) {
                    alert("加入收藏失败，请使用Ctrl+D进行添加");
                }
            }
        }
    }
    return false;
}

function setHomepage(url){　 // 设置首页
 if (document.all){
  document.body.style.behavior = 'url(#default#homepage)';
  document.body.setHomePage(url);
 }else if (window.sidebar){
  if (window.netscape){
   try {
    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
   }catch (e) {
    alert("该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true");
   }
  }
  var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
  prefs.setCharPref('browser.startup.homepage', url);
 }
}