var req = null;
function processReqChange() {
	if (req.readyState == 4 && req.status == 200 ) {
		var dobj = document.getElementById('article');
		dobj.innerHTML = req.responseText;
	}
}
function loadUrl(article) {
	if (window.XMLHttpRequest) {
		try {
			req = new XMLHttpRequest();
		}
		catch(e) {
			req = false;
		}
	}
	else if (window.ActiveXObject) {
		try {
			req = new ActiveXObject('Msxml2.XMLHTTP');
		}
		catch(e) {
			try {
				req = new ActiveXObject('Microsoft.XMLHTTP');
			}
			catch(e) {
				req = false;
			}
		}
	}
	if (req) {
		req.onreadystatechange = processReqChange;
		req.open('GET', 'articles/' + article, true);
		req.send('');
	}
}