function toggletabs(tabname) {
	var children = document.getElementById('newscontent').childNodes;
	for ( var c = 0; c < children.length; c++) {
		if (children[c].style) {
			children[c].style.display = 'none';
		}
	}
	document.getElementById(tabname).style.display = 'block';

	var currentTab = tabname + 'tab';
	var tabchildren = document.getElementById('subtabs').childNodes;
	for ( var t = 0; t < tabchildren.length; t++) {
		tabchildren[t].className = 'off';
	}
	document.getElementById(currentTab).parentNode.className = 'on';
}