function jump(sel) {
  if (sel.options[sel.selectedIndex].value) {
window.open(sel.options[sel.selectedIndex].value, "_blank");
  }
}

function popup(theURL,winName,features) { //v2.0
  window.open(theURL,'special','status=yes,resizable=yes,scrollbars=yes,menubar=yes,width=650,height=550');
}