//Positions the footer appropriately based on the length of the longest column on the page.

window.onload = footerFix;
window.onresize = footerFix;

function footerFix() {
  var divSidebar = document.getElementById("divSidebar");
  var divBody = document.getElementById("divBody");
  var divSpacer = document.getElementById("divSpacer");
  var divFooter = document.getElementById("divFooter");
  
  if (divSidebar.scrollHeight >= divBody.scrollHeight) divSpacer.style.height = divSidebar.scrollHeight + "px";
  if (divBody.scrollHeight > divSidebar.scrollHeight) divSpacer.style.height = divBody.scrollHeight + "px";

  divFooter.style.display = "block";
}