function linkManagerToggle(el)
{
	var ser = $(el);

	if (ser.style.display == 'none')
	{
		Effect.SlideDown(ser);
		$(el+'_toggle').src = 'images/linkManager/12-em-up.png';
	}
	else
	{
		Effect.SlideUp(ser);
		$(el+'_toggle').src = 'images/linkManager/12-em-down.png';
	}			
}