<script language="javascript">

 //加入收藏

 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");

         }

     }

 }

 //设为首页

 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("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]的值设置为'true',双击即可。");

                         }

                         var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);

                         prefs.setCharPref('browser.startup.homepage',vrl);

                  }

         }

 }

 </script>

 使用方法：

 <a  href="#" onclick="SetHome(this,window.location)">设为首页</a>

 <a  href="#" onclick="AddFavorite(window.location,document.title)">收藏本站</a>