// control transparent left-nav background height and other left-column adjustments
// Note: requires jQuery

$(document).ready(function () {
  $('#ctl00_leftNavMenu > a').first().css('border-top', '1px #fff solid');
  $('#ctl00_leftNavMenu > a').last().css('margin-bottom', '0');
  $("#ctl00_leftNavMenu").resize(menuBack);
  menuBack();
  $('.left-sub-links:empty').css('display','none');
});

function menuBack() {
  var menuHeight = $('#ctl00_leftNavMenu').height();
  var menuWidth = $('#ctl00_leftNavMenu').width();
  $('#ctl00_leftNavMenuBack').height(menuHeight + 30);  //adjustment must match #ctl00_leftNavMenu padding total for top and bottom.
  $('#ctl00_leftNavMenuBack').width(menuWidth);
  $('#leftNav').css('min-height', menuHeight + 30);
}