jQuery image preloader

jquery-preload-images.coffee

images = [
  image1.jpg,
  image2.jpg,
  image3.jpg,
  image4.jpg
]

preload: (images, callback) ->
  count = images.length
  
  # no image 
  if count == 0
    callback()
    return

  loaded = 0
  error  = false
  
  load = (url) ->
    $('<img>').attr('src', url).load( (response) ->
      loaded++ if $(@).get(0)
      callback() if count == loaded
    ).error( ->
      # somethig error events
    )

  load url for url in images