设为首页的代码

<script type="text/javascript">
function setHomePage()
{
  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',window.location.href);
  }else{
  this.homepage.style.behavior='url(#default#homepage)';this.homepage.sethomepage(window.location.href);
  }

}
</script>




  <a href="#" name="homepage" target="_search" onclick="setHomePage()"><font color="#000000">设为首页</a>