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]设置为'true'"); 
			}
			var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
			prefs.setCharPref('browser.startup.homepage',vrl);
		}
	}
}
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");
		}
	}
}