var background_height = $('#background_gradient').height();
var document_height = $(document).height();
	document_height =  document_height - 140;
	document_height = document_height - background_height;
	if (document_height > 0) {
		$('#spacer').height(document_height);
	}
	
$(document).ajaxSend(function(event, request, settings) {
  if (typeof(AUTH_TOKEN) == "undefined") return;
  // settings.data is a serialized string like "foo=bar&baz=boink" (or null)
  settings.data = settings.data || "";
  settings.data += (settings.data ? "&" : "") + "authenticity_token=" + encodeURIComponent(AUTH_TOKEN);
});