imation will be used and the tooltip will be hidden immediately.
			When set to <code>true</code>, the tooltip will fade out with the default duration and the default easing.
		</li>
<li>
<strong>Number</strong>: 
			The tooltip will fade out with the specified duration and the default easing.
		</li>
<li>
<strong>String</strong>: 
			The tooltip will be hidden using the specified effect.
			The value can either be the name of a built-in jQuery animateion method, such as <code>"slideUp"</code>, or the name 