var activeArticle;

function readMore(obj) {
	closeArticle();
	activeArticle = obj.parentNode.id.substr(6);
	document.getElementById("article" + activeArticle).id = "activeArticle"
	document.getElementById("activeArticle").style.display = "block";
	//document.getElementById("overLay").style.height = document.getElementById("pageContainer").offsetHeight + "px";
	document.getElementById("overLay").style.display = "block";
}

function closeArticle() {
	if (isNaN(activeArticle) == false) {
		if (activeArticle != 0) {
			document.getElementById("activeArticle").id = "article" + activeArticle;
			document.getElementById("article" + activeArticle).style.display = "none";
			document.getElementById("overLay").style.display = "none";
			activeArticle = 0;
		}
	}
}