function trackPage(page_name)
{
	var url = self.location.href;
	//google
	try {
	var pageTracker = _gat._getTracker("UA-16101421-1");
	pageTracker._trackPageview(page_name);
	} catch(err) {}
	
	//Db log
	$("div#log_layer").load("log.php?page="+page_name+"&url="+url);
	
	/*
	tw:
	UA-16101421-1
	cn:
	UA-16101421-2
	blog:
	UA-16101421-4
	*/
}