JS实现 加入收藏，设为首页

<script type="text/javascript" language="JavaScript">
<!--
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");
}
}
}
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>

<li><a class="nav1" href="#" onclick="SetHome(this,window.location)">设为首页</a> | </li>
<li><a class="nav1" href="#" onclick="AddFavorite(window.location,document.title)">加入收藏</a></li>