function NewsPreview(container) {
  this.container_ = container;
}

NewsPreview.prototype.showTitle = function(url, opt_noTitle) {
  var feed = new google.feeds.Feed(url);
  var preview = this;
  feed.load(function(result) {
    preview.renderTitle_(result, opt_noTitle);
  });
}

NewsPreview.prototype.renderTitle_ = function(result, opt_noTitle) {
  if (!result.feed || !result.feed.entries) return;
  while (this.container_.firstChild) {
    this.container_.removeChild(this.container_.firstChild);
  }

  for (var i = 0; i < result.feed.entries.length; i++) {
    var entry = result.feed.entries[i];
    this.createLink_(this.container_, "news.html", "newsHeading", entry.title);
//    if (entry.author) {
//      this.createP_(this.container_, "author", "Posted by " + entry.author);
//    }
    this.createP_(this.container_, "newsDate", entry.publishedDate);
//    this.createP_(this.container_, "newsSummary", entry.contentSnippet);
  }
}

NewsPreview.prototype.show = function(url, opt_noTitle) {
	  var feed = new google.feeds.Feed(url);
	  var preview = this;
	  feed.load(function(result) {
	    preview.render_(result, opt_noTitle);
	  });
	}

NewsPreview.prototype.render_ = function(result, opt_noTitle) {
	  if (!result.feed || !result.feed.entries) return;
	  while (this.container_.firstChild) {
	    this.container_.removeChild(this.container_.firstChild);
	  }

	  for (var i = 0; i < result.feed.entries.length; i++) {
	    var entry = result.feed.entries[i];
	    this.createLink_(this.container_, "", "newsHeading", entry.title);
//	    if (entry.author) {
//	      this.createP_(this.container_, "author", "Posted by " + entry.author);
//	    }
	    this.createP_(this.container_, "newsDate", entry.publishedDate);
	    this.createHTMLElement_("p", this.container_, "newsSummary", entry.content);
	  }
	}

NewsPreview.prototype.createDiv_ = function(parent, className, opt_text) {
  return this.createElement_("div", parent, className, opt_text);
}

NewsPreview.prototype.createP_ = function(parent, className, opt_text) {
  return this.createElement_("p", parent, className, opt_text);
}

NewsPreview.prototype.createLink_ = function(parent, href, className, text) {
  var link = this.createElement_("a", parent, className, text);
  link.href = href;
  return link;
}

NewsPreview.prototype.createElement_ = function(tagName, parent, className, opt_text) {
  var div = document.createElement(tagName);
  div.className = className;
  parent.appendChild(div);
  if (opt_text) {
    div.appendChild(document.createTextNode(opt_text));
  }
  return div;
}

NewsPreview.prototype.createHTMLElement_ = function(tagName, parent, className, HTMLstring) {
  var elem = document.createElement(tagName);
  elem.className = className;
  parent.appendChild(elem);
  elem.appendChild(this.extractContent(HTMLstring));
  elem.firstChild.removeChild(elem.firstChild.firstChild);
  return elem;
}

NewsPreview.prototype.extractContent = function(HTMLstring) {
  var d = document.createElement('div');
  d.innerHTML = HTMLstring;
  return d.firstChild.childNodes[3];
}