function refreshPub () {

	var xhr_object = null;

	if(window.XMLHttpRequest) // Firefox
	   xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // Internet Explorer
	   xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else { // XMLHttpRequest non supporté par le navigateur
	   alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
     return;
	}

	xhr_object.open("GET", "pub.inc.php", true);

	var div = document.getElementById('rightcol-broad');

	xhr_object.onreadystatechange = function() {
		if(xhr_object.readyState == 4) div.innerHTML = xhr_object.responseText;
	}

	xhr_object.send(null);

}

window.setInterval("refreshPub()",10000);