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

// fieldname, warningname, remainingname, maxchars
function CheckFieldLength(fn,wn,rn,mc) {
  var len = fn.value.length;
  if (len > mc) {
    fn.value = fn.value.substring(0,mc);
    len = mc;
  }
  document.getElementById(wn).innerHTML = len;
  document.getElementById(rn).innerHTML = mc - len;
}

// use a select list to switch pages
function switchpage(select) {
  var index;
  for(index=0; index<select.options.length; index++)
    if(select.options[index].selected)
  {
    if(select.options[index].value!="")
    window.location.href=select.options[index].value;
    break;
  }
}