((jQuery) ->
  jQuery.mark = jump: (options) ->
    defaults = selector: "a.scroll-on-page-link"
    defaults.selector = options  if typeof options is "string"
    options = jQuery.extend(defaults, options)
    jQuery(options.selector).click (e) ->
      jumpobj = jQuery(this)
      target = jumpobj.attr("href")
      thespeed = 1000
      offset = jQuery(target).offset().top
      jQuery("html,body").animate
        scrollTop: offset
      , thespeed, "swing"
      e.preventDefault()
      return


  return
) jQuery
jQuery ->
  jQuery.mark.jump()
  return