javascript加入收藏夹、设置首页

<script type="text/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！请在浏览器地址栏输入“about:config”并回车然后将[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',vrl);   
					 }   
			}   
	} 
</script>

<a href="#" onclick="SetHome(this,'http://www.baidu.com')">设为首页</a>  | <a href="#" target="_blank" onclick="AddFavorite('http://www.baidu.com','百度搜索')">加入收藏</a>