function openCalendar(dateValue, field, rootPath) {
  var win=open(rootPath + 'common/calendar.asp?field=' + field + '&date=' + dateValue, 'calendar', 'height=170,width=180,scrollbars=no,resizable=no,menubar=no,status=no');
  win.focus();
}

function datePassback(dateValue, field) {
  document.getElementById(field).value = dateValue;
}

function formatDate(obj) {
  if((obj.value.length == 6 || obj.value.length == 8) && (obj.value.indexOf('/') == -1)) {
    obj.value = obj.value.substr(0, 2) + '/' + obj.value.substr(2, 2) + '/' + obj.value.substr(4);
  }
}