function showBox(whichbox) {
	var discotbl = document.getElementById("discotbl");
	var divs = discotbl.getElementsByTagName("div");
	var link = whichbox.getAttribute("id");
	var linkbox = link.replace("link","box");
	for (var i=0; i < divs.length; i++ ) {
		var box = divs[i].getAttribute("id");
		if (linkbox == box) {
			divs[i].style.display = "block";
			var boxid = document.getElementById(box);
			var sublink = boxid.getElementsByTagName("a");
		} else {
			divs[i].style.display = "none";
		}
	}
}