function toggle(element) {
  sn = document.getElementById("servicesnav");
  pn = document.getElementById("partnersnav");  
  cu = document.getElementById("callus");
  e = document.getElementById(element);
  if (e.style.display == "block") {
    e.style.display = "none";
  } else {
    e.style.display = "block";  
  }
  if (sn.style.display == "block" && pn.style.display == "block") {
    cu.style.display = "none";
  } else {
    cu.style.display = "block";
  }
}

window.onload = function() {
  if(expandMenu == "services") { 
    document.getElementById("servicesnav").style.display = "block";
  }
}