function viewcalendar() {
  calme = window.open("http://www.travellastminute.ca/online_booking/js/calendar.php", "calme" , "location=0, menubar=0, scrollbars=0, status=0, titlebar=0, toolbar=0, directories=0, resizable=0, width=180, height=300, top=50, left=250");
  calme.resizeTo(180, 300);
  calme.moveTo(250, 50);
}
function insertdate(d) {
  window.close();
  window.opener.document.getElementById('date_dep').value = d;
}