function make_range(start, end, step, leadingZeros, postfix, prefix) {
  var range = new Array();
  var i;
  for(i = start; i <= end; i+=step) {
    var val = ''+i;
    while(val.length < leadingZeros) val = '0'+val;
    if (prefix != '') val = '' + prefix + val;
    if (postfix != '') val = '' + val + postfix;
    range[val] = val;
  }
  return range;
}

function populate(element, range) {
  var i = 0;
  var r;
  element.options.length = range.length;
  alert(range.length);
  for(r in range) {
    alert(r+" "+i);
    element.options[i].value = r;
    element.options[i].text = r;
    i++;
  }
}