var intervalID;
var pubID;
var nbPubID;

function changePub(nbpub) {
	nbPubID = nbpub;
	clearInterval(intervalID);
	intervalID = setInterval("flashText();",4000);
	pubID = 2;
	return false;
}

function flashText() {
	document.getElementById('imgPublicite').style.display = 'none';
	Effect.toggle('imgPublicite','appear');
	document.getElementById('imgPublicite').src = document.getElementById('imgPub'+pubID).value;
	document.getElementById('linkPub').href = document.getElementById('urlPub'+pubID).value;
	
	if(pubID < nbPubID) {
		pubID = pubID + 1;
	}
	else {
		pubID = 1;
	}
}