function toggleDisplay(obj) {
	var el = document.getElementById(obj);
	if(el.style.display != 'none'){
		el.style.display = 'none';
	}else{
		el.style.display = '';
	}
}

GD_News_Counter=0;
GD_intervalID=null;

function showNews(direction) {
  if (direction==-1) {
    GD_News_Counter-=2;
    if (GD_News_Counter<0) GD_News_Counter=0;
  }
  if (null==GD_intervalID) GD_intervalID = window.setInterval(showNews, 5000);
  var currentNews=GD_News[GD_News_Counter];
  document.getElementById("news_container").innerHTML=currentNews;
  GD_News_Counter++;
  if (GD_News_Counter>=GD_News.length) GD_News_Counter=0;
}