var windowWebTV = null;
function startWebTV(tab)
{
	if (!windowWebTV || !windowWebTV.open || windowWebTV.closed )
	{
		windowWebTV = window.open('http://itst.media.netamia.net/ict2009/video.php?tab='+tab,'WebTV','height=700,width=1000,resizable=1');
	}
	else
	{
		windowWebTV.location.href = 'http://itst.media.netamia.net/ict2009/video.php?tab='+tab;
	}
	windowWebTV.focus();
	return false;
}