var downloadtarget = "";
var downloadhref = "";

function confirmTerms(activelink) {
  downloadlink = activelink;
  downloadtarget = activelink.previousSibling.target;
  downloadhref = activelink.previousSibling.href;
  if (downloadhref.search(/\.jpg$/i) != -1 ||
      downloadhref.search(/\.jpeg$/i) != -1 ||
      downloadhref.search(/\.gif$/i) != -1  ||
      downloadhref.search(/\.png$/i) != -1) {
    confirmwindow = window.open("/index.php?id=terms_of_use&type=101", "confirmwindow", "width=650,height=550,left=100,top=100");
  } else {
    location.href = downloadhref;
  }
}

function startDownload() {
  if (downloadhref != "") {
    if (downloadtarget != "" && downloadtarget != "_self" && downloadtarget != "_top") {
      window.open(downloadhref, downloadtarget, "width=800,height=600,left=20,top=20");
    } else {
      location.href = downloadlink.href;
    }
  }
}