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()
{
 if (document.all)
 {
 window.external.addFavorite('http://www.ourchinese.org/','Chinese Learning');
 }
 else if (window.sidebar)
 {
 window.sidebar.addPanel('Chinese Learning', 'http://www.ourchinese.org/', "");
 }
}

if(self!=top)
{
    top.location=self.location;
}
function fontZoom(size)
{
	var content = document.getElementById('fontzoom');
	switch(size)
	{
		case 'small':
			content.style.fontSize='12px';
			content.style.lineHeight='120%';
			document.getElementById('font_l').style.background='#ffffff'
			document.getElementById('font_m').style.background='#ffffff'
			document.getElementById('font_s').style.background='#F0CAA2'
			break;
		case 'large':
			content.style.fontSize='18px';
			content.style.lineHeight='180%';
			document.getElementById('font_s').style.background='#ffffff'
			document.getElementById('font_m').style.background='#ffffff'
			document.getElementById('font_l').style.background='#F0CAA2'
			break;
		default:
			content.style.fontSize='14px';
			content.style.lineHeight='170%';
			document.getElementById('font_l').style.background='#ffffff'
			document.getElementById('font_s').style.background='#ffffff'
			document.getElementById('font_m').style.background='#F0CAA2'
			break;
	}
}

function addStoryToMyFavorite(uid, sid) {
	var url = 'tfc/ajax.php?act=addfav&uid='+encodeURIComponent(uid)+'&sid='+encodeURIComponent(sid)+'&random='+Math.random();
	new Ajax.Request(url, {
	  onSuccess: function(e) {
		var resp = e.responseText;
		if(resp == 2) {
			alert('收藏成功!');
		}
		else if(resp== 3) {
			alert('您需要登录后才能使用该功能！'); 
		}
	  }
	});
}