Project Page - https://github.com/yairEO/stickyfloat

jQuery('.menu2').stickyfloat( 'update',
{
	duration : 0, 
	stickToBottom:true
});

Parameters:

• duration (default: 200)

  The duration of the animation

• startOffset (default: auto - parent's offset from top)

  The amount of scroll offset after which the animations kicks in, because the idea is to start the animation only when the user has scrolled to a point where the element needs to start following him.
  Value can be empty or auto, which are the same, or a number

• offsetY (default: auto - parent's padding-top)

  The offset from the top after object's animation.
  Value can be empty or auto, which are the same, or a number

• delay (default: 0)

  Delay in milliseconds until the animnations starts

• easing (default: linear)

  Easing function (jQuery has by default only 'swing' & 'linear')

• lockBottom (default: true)

  Set to false if you don't want your floating box to stop at parent's bottom

• stickToBottom (default: false)

  Set to true to make the floating menu stick to the bottom

• onReposition (default: undefined)

  a callback to be invoked when the floated element is repositioned

• scrollArea (default: window)

  The DOM element which stickyfloat should track it's scroll position (for situations with inner scroll)