function toggleElement(id,state) {
	var el = document.getElementById(id);
	if (state) {
		el.style.display='block';
	}
	else {
		el.style.display='none';
	}
}

function showNextFeed(a,b) {
	document.getElementById('news_'+a).style.display='none';
	document.getElementById('news_'+b).style.display='block';
}