function showRandomNewsCat3(iIndex)
{
	  if (iCurrentArticleIndex3!=-1) {
		aArticles3[iCurrentArticleIndex3].element.getElementsByTagName('span')[0].style.display = 'none';
	  }
          aArticles3[iIndex].element.style.zIndex = 5;
	  aArticles3[iIndex].element.getElementsByTagName('span')[0].style.display = 'block';
	  iCurrentArticleIndex3 = iIndex;

}

function showRandomNewsCat2(iIndex)
{
	  if (iCurrentArticleIndex2!=-1) {
		aArticles2[iCurrentArticleIndex2].element.getElementsByTagName('span')[0].style.display = 'none';
	  }
          aArticles2[iIndex].element.style.zIndex = 4;
	  aArticles2[iIndex].element.getElementsByTagName('span')[0].style.display = 'block';
	  iCurrentArticleIndex2 = iIndex;

}

function showRandomNewsCat1(iIndex)
{
	  if (iCurrentArticleIndex1!=-1) {
		aArticles1[iCurrentArticleIndex1].element.getElementsByTagName('span')[0].style.display = 'none';
	  }
          aArticles1[iIndex].element.style.zIndex = 3;
	  aArticles1[iIndex].element.getElementsByTagName('span')[0].style.display = 'block';
	  iCurrentArticleIndex1 = iIndex;

}