function SlideDiv(ElementId)
		{
		if (document.getElementById(ElementId).style.display == 'none')	
			{
			new Effect.Opacity($(ElementId), { from: 0, to: 0, duration: 0 });
			Effect.SlideDown($(ElementId),{ duration: 0.3 });
			new Effect.Opacity($(ElementId), { from: 0, to: 1.0, duration: 0.7 });
			}
			else
			{
			Effect.SlideUp($(ElementId),{ duration:  0.2 });
			}
		}