if (document.images) {

  // new button
  updateImageOn = new Image();
  updateImageOn.src = "/members/images/button-update_image-ro.png"

  updateImageOff = new Image();
  updateImageOff.src = "/members/images/button-update_image.png"

}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}

function openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}

function setDays(form, yearField, monthField, dayField) {
  year = parseInt(form.elements[yearField].options[form.elements[yearField].selectedIndex].value);
  month = form.elements[monthField].selectedIndex;
  day = form.elements[dayField].selectedIndex;
  form.elements[dayField].options.length = 0;
  var days = new Array(31, ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0 ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
  for(i = 0; i < days[month]; i++) {
    form.elements[dayField].options.length = form.elements[dayField].options.length + 1;
    form.elements[dayField].options[i].value = i + 1;
    form.elements[dayField].options[i].text = i + 1;
  }
  form.elements[dayField].selectedIndex = (day < form.elements[dayField].options.length) ? day : form.elements[dayField].options.length - 1;
}