function navLinkOver(node) {
  node.style.backgroundColor = '#00Cfff';
}

function navLinkOut(node) {
  node.style.backgroundColor = '#007fff';    
}

function initDate(form, dateFieldName) {
  var today = new Date();
  var dayOfMonth = today.getDate();
  if (dayOfMonth > 15) {
    var newDayOfMonth = 15;
  } else {
    var newDayOfMonth = 1;
  }
  var newDate = new Date(today.getYear(), today.getMonth() + 1, newDayOfMonth);
  form[dateFieldName + "_month"].selectedIndex = newDate.getMonth();
  form[dateFieldName + "_day"].selectedIndex = newDate.getDate() - 1;
  form[dateFieldName + "_year"].selectedIndex = newDate.getYear() - today.getYear();
}