/*addLoadEvent(assignSkyBoxBehaviour);

function assignSkyBoxBehaviour()
{
  var skyBoxPop = document.getElementById("skyBoxPopUp");
  var skyBoxLink = document.getElementById("skyBoxLink");
  var skyBoxClose = document.getElementById("skyBoxClose");
  
  skyBoxLink.onclick = function() {
    skyBoxPop.style.display = "block";
    }
    
  skyBoxClose.onclick = function() {
    skyBoxPop.style.display = "none";
    } 
}*/