/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Michael J. Damato | http://developing.damato.net/ */
// State lists
var states = new Array();


states['Books'] = new Array('Title','Author','Search Key');
states['Multimedia'] = new Array('Title','Search Key');
states['MP3_Players'] = new Array('Title');
states['Accessories'] = new Array('Title');


// City lists
var cities = new Array();

cities['United States'] = new Array();
cities['United States']['Alabama'] = new Array('Birmingham','Mobile','Montgomery');
cities['United States']['California'] = new Array('Los Angeles','San Francisco');
cities['United States']['Florida']    = new Array('Miami','Orlando');
cities['United States']['New York']   = new Array('Buffalo','new York');


function setStates() {
  cntrySel = document.getElementById('product');
  stateList = states[cntrySel.value];
  changeSelect('searchby', stateList, stateList);
 // setCities();
}

function setCities() {
  cntrySel = document.getElementById('product');
  stateSel = document.getElementById('searchby');
  cityList = cities[cntrySel.value][stateSel.value];
  changeSelect('city', cityList, cityList);
}

function changeSelect(fieldID, newOptions, newValues) {
  selectField = document.getElementById(fieldID);
  selectField.options.length = 0;
  for (i=0; i<newOptions.length; i++) {
    selectField.options[selectField.length] = new Option(newOptions[i], newValues[i]);
  }
}

// Multiple onload function created by: Simon Willison
// http://simonwillison.net/2004/May/26/addLoadEvent/
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent(function() {
  setStates();
});