var popularTypes = new Array('today', 'week') ;

function resetPopular() {
  for (i = 0; i < popularTypes.length; i++) {
		document.getElementById(popularTypes[i] + 'PopularArticles').style.display="none";
    // Element.hide(popularTypes[i] + 'PopularArticles') ;
  }
}

function showPopular(type) {
  resetPopular();
	document.getElementById(type + 'PopularArticles').style.display="block";
  // Element.show(type+'PopularArticles');
}

function initializeArticleLinksInConsole() {
  var articleLinks = document.getElementById('selectedArticles').getElementsByTagName('li') ;
  for (i = 0; i < articleLinks.length; i++) {
    articleLinks[i].className = '' ;
  }
}

function selectArticleInConsole(id) {
  initializeArticleLinksInConsole() ;
  var articleLink = document.getElementById('articleLink'+id) ;
  articleLink.className = 'selected' ;
}