<p>下面是在关闭网页时提示加入收藏夹或者设置为首页的代码<br />
<br />
加入收藏夹<br />
<script language="javascript"><br />
function bookmark(){<br />
window.external.AddFavorite(http://www.seocn.info, seo中文信息网)<br />
}<br />
</script><br />
<br />
<br />
设为首页<br />
function setHomepage(){<br />
str=location.href;<br />
if (document.all){<br />
document.body.style.behavior='url(#default#homepage)';<br />
document.body.setHomePage(str);<br />
}else if (window.sidebar){<br />
if(window.netscape){<br />
try{<br />
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");<br />
}catch (e){<br />
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" );<br />
}<br />
}<br />
var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);<br />
prefs.setCharPref('browser.startup.homepage',str);<br />
}<br />
}<br />
</p>