function openPopup(url,h,w) {
  popWin = window.open(url,"pop","height="+w+",width="+w+",location=no,menubars=no,scrollbars=yes,toolbars=no,resizable=yes");
  if (window.focus) {
     popWin.focus();
  }
}

function setDS() {
  var nextyear = new Date();
  nextyear.setFullYear(nextyear.getFullYear() + 1);
  path = "/";
  domain = ".propel.com";
  document.cookie = "ds=yes;expires=" + nextyear.toGMTString() + "; path=" + path + "; domain=" + domain;
}

function checkDS() {
  var allcookies = document.cookie;
  var dsCookie = allcookies.indexOf("ds=");
  if (dsCookie == -1) {
      openPopup('/survey/download.jsp',500,800);
  }
}