function checkAge() {
  var year = document.getElementById("birth_year").value;
  if (year.length == 0) {
    alert("Please enter your year of birth.");
  }
  else {
    var response = AquavitBehind.DefaultPage.IsValidAge(year);
    if (!response.value) window.open("terms.html", "Terms", "width=650,height=600,scrollbars=yes");
    else popupwindow('FULL','FULL','essence_summer.html','home','no','no','yes','false');
  }
}

function openPop(url, name) {
  window.open(url, name, "width=650,height=600,scrollbars=yes");
}

function showDL(show) {
  document.getElementById("legal").style.display = (show ? "none" : "block");
  document.getElementById("DL").style.display = (show ? "block" : "none");
  document.getElementById("err").style.display = "none";
}

function download() {
  var pw = document.getElementById("password").value;
  if (pw == "summer") {
    window.open("/images/highres/VS_Sommerann_420x280_300.pdf", "", "width=1000,height=700");
    showDL(false);
  }
  else
    document.getElementById("err").style.display = "block";
}