var player_window = null;
function player_pop(window_name, url, width, height)
{
	if (player_window == null || player_window.closed)
	{
		player_window = window.open(url, window_name, 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=' + width + ',height=' + height + ',left = 200,top = 200');
		player_window.focus();
	}
	else
	{
		player_window.focus();
	}
}