for(var z in tab) {
		var feed_url = tab[z];
		console.log("the feed url is ", feed_url);
		var req = new XMLHttpRequest();
		req.open(
		    "GET",
		    feed_url,
		    true);
		feedsObj[z] = "";

		req.onload = function(feed) {
			var feed_temp = feed.currentTarget.responseXML.getElementsByTagName("item");
			feedsObj[z] = feed_temp;
			console.log('just recieved feed: ', z , " ",feed," of length ", feed_temp.length);
			feedsCompleted++;
			if(feedsCompleted >= feeds.length) showPosts();
		}
		req.send(null);
	}