function display_article(e) {

	// array of IDs
	var article = new Array("one","two","three","four","five","six","seven","eight","nine","ten", "eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen","twenty","twentyone","twentytwo","twentythree");

	// loop through IDs
	var x=0;
	for (x=0; x<24; x++) {
		if (document.getElementById(article[x])) {
		document.getElementById(article[x]).style.display = "none";
		}
	}
	document.getElementById(e).style.display = "inline";
}

function toggleRow(obj) {
	oA=document.getElementsByTagName('tr');
	for(i=0; i<oA.length; i++) {
		oA[i].className='';
	}
	obj.className='rowOn';
}