/* library.js */

/* AutoTab Functionality */
var isNN = (navigator.appName.indexOf("Netscape")!=-1);

function autoTab(input, len, e) {
  var keyCode = (isNN) ? e.which : e.keyCode; 
  var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
  if(input.value.length >= len && !containsElement(filter, keyCode)) {
    input.value = input.value.slice(0, len);
    input.form[(getIndex(input) + 1) % input.form.length].focus();
  }

  function containsElement(arr, ele) {
    var found = false, index = 0;
    while(!found && index < arr.length)
    if(arr[index] == ele)
    found = true;
    else
    index++;
    return found;
  }

  function getIndex(input) {
    var index = -1, i = 0, found = false;
    while (i < input.form.length && index == -1)
    if (input.form[i] == input)index = i;
    else i++;
    return index;
  }
  return true;
}
/* /AutoTab Functionality */

/* Field Default Value Handlers */
function clearField(obj, txt) {
  if (obj.value == txt) {
    obj.value = '';
  }
  obj.select();
}

function fillField(obj, txt) {
  if (obj.value == '') {
    obj.value = txt;
  }
}
/* /Field Default Value Handlers */