var currentMediaWin = null;

function openMedia(link,w,h)
{
    // compensate for margins
    w = eval(w);
    if (w <= 0) w = 600;
    w += 20;
    h = eval(h);
    if (h <= 0) h = 500;
    h += 20;
	var options = "resizable=1,width=" + w + ",height=" + h;
	currentMediaWin = window.open(link,"mediawin",options);
	return currentMediaWin;
}

function closeMedia()
{
	if (currentMediaWin != null) currentMediaWin.close();
}