<!--
function isBlank(s)
{
  for(var i = 0; i < s.length; i++) {
    var c = s.charAt(i);
    if ((c != ' ') && (c != '\n') && (c != '\t')) return false;
  }
  return true;
}

function verify(f)
{
  var msg;
  var empty_fields = "";
  var errors = "";

  for(var i = 0; i < f.length; i++) {
    var e = f.elements[i];
    if (((e.type == "text") || (e.type == "textarea")) && !e.optional) {
      if ((e.value == null) || (e.value == "") || isBlank(e.value)) {
        empty_fields += "\n          " + e.name;
        continue;
      }

      if (e.numeric || (e.min != null) || (e.max != null)) {
        var v = parseFloat(e.value);
        if (isNaN(v) ||
            ((e.min != null) && (v < e.min)) ||
            ((e.max != null) && (v > e.max))) {
          errors += "- The field " + e.name + " must be a number";
          if (e.min != null)
            errors += " that is greater than " + e.min;
          if (e.max != null && e.min != null)
            errors += " and less than " + e.max;
          else if (e.max != null)
            errors += " that is less than " + e.max;
          errors += ".\n";
        }
      }
    }
  }

  if (!empty_fields && !errors) return true;


  msg  = "_____________________________________________________________\n\n";
  msg += "The form was not submitted because of the following error(s).\n";
  msg += "Please correct the error(s) and re-submit.\n";
  msg += "_____________________________________________________________\n\n";

  if (empty_fields) {
    msg += "- The following required field(s) are empty:"
      + empty_fields + "\n";
    if (errors) msg += "\n";
  }
  msg += errors;
  alert(msg);
  return false;
}
// -->