app/assets/javascripts/connections.js.coffee
$ ->
top = $("#network-header").offset().top - parseFloat($("#network-header").css("margin-top").replace(/auto/, 0))
fixPositionNetworkHeader = ->
console.log $(window).scrollTop()
if $(window).scrollTop() >= top
$("#network-header").addClass "fixed"
$('a.back-up').fadeIn().removeClass 'hide'
else
$("#network-header").removeClass "fixed"
$('a.back-up').addClass 'hide'
$(window).scroll (event) ->
fixPositionNetworkHeader()
fixPositionNetworkHeader()