getRSS = function(elm){
	url = '/rss_proxy.php?url=' + $(elm).readAttribute('feed');
	new Ajax.Updater( $(elm), url, {method: 'get', parameters: {alt:'rss'}} );
}
Event.observe(document, 'dom:loaded',
	function(){
		$$('div.rss_feed').each(
			function(elm){
				getRSS(elm);
			}
		);
	}
);