triggerMousemove = (x, y, target)->
  triggerEvent({ pageX: x, pageY: y, target: target }, "mousemove")

triggerMousedown = (target)->
  triggerEvent({ target: target }, "mousedown")

triggerMouseup = ->
  triggerEvent({}, "mouseup")

triggerEvent = (props, name)->
  e = $.Event(name)
  e = _.extend e, props
  $(document).trigger(e)