prevent_dc.coffeescript

$.fn.preventDoubleClick = (seconds = 3) ->
  $(this).click =>
    d = new Date()
    now = d.getTime()
    last_click = if typeof $(this).attr('data-last_clicked') == "undefined" then (now - seconds*1000 - 2) else parseInt($(this).attr('data-last_clicked'))

    if (now - seconds*1000) < last_click
      return false
    else
      $(this).attr('data-last_clicked', now )