var linkArray = [];
linkArray.push("http://example.com/downloadablefile1");
linkArray.push("http://example.com/downloadablefile2");
linkArray.push("http://example.com/downloadablefile3");

function (linkArray) {
  for (var i = 0; i < linkArray.length; i++) {
    setTimeout(function (path) { window.location = path; }, 200 + i * 200, linkArray[i]);
  }
};