Linked ComboBox (option) Country =- province

   

<html>
<head>
<title>Create Form Elements</title>

<script language="javascript">
<!--

function CreateProvince() {

  var Primary = document.newforms.country.selectedIndex;

  if ((Primary == null) || (Primary == 0)) return;

  if (Primary == 1) {

  var ProvState = new Array;
  ProvState[0] = new Option("Alberta");
  ProvState[1] = new Option("British Columbia");
  ProvState[2] = new Option("Manitoba");
  ProvState[3] = new Option("New Brunswick");
  ProvState[4] = new Option("Newfoundland");
  ProvState[5] = new Option("Nova Scotia");
  ProvState[6] = new Option("Northwest Territories");
  ProvState[7] = new Option("Nunavut");
  ProvState[8] = new Option("Ontario");
  ProvState[9] = new Option("Prince Edward Island");
  ProvState[10] = new Option("Quebec");
  ProvState[11] = new Option("Saskatchewan");
  ProvState[12] = new Option("Yukon");

  }

  if (Primary == 2) {

  var ProvState = new Array;
  ProvState[0] = new Option("Alabama");
  ProvState[1] = new Option("Alaska");
  ProvState[2] = new Option("Arizona");
  ProvState[3] = new Option("Arkansas");
  ProvState[4] = new Option("California");
  ProvState[5] = new Option("Colorado");
  ProvState[6] = new Option("Connecticut");
  ProvState[7] = new Option("Delaware");
  ProvState[8] = new Option("Florida");
  ProvState[9] = new Option("Georgia");
  ProvState[10] = new Option("Hawaii");
  ProvState[11] = new Option("IdahoState");
  ProvState[12] = new Option("Illinois");
  ProvState[13] = new Option("Indiana");
  ProvState[14] = new Option("Iowa");
  ProvState[15] = new Option("Kansas");
  ProvState[16] = new Option("Kentucky");
  ProvState[17] = new Option("Louisiana");
  ProvState[18] = new Option("Maine");
  ProvState[19] = new Option("Maryland");
  ProvState[20] = new Option("Massachusetts");
  ProvState[21] = new Option("Michigan");
  ProvState[22] = new Option("Minnesota");
  ProvState[23] = new Option("Mississippi");
  ProvState[24] = new Option("Missouri");
  ProvState[25] = new Option("Montana");
  ProvState[26] = new Option("Nebraska");
  ProvState[27] = new Option("Nevada");
  ProvState[28] = new Option("NewHampshire");
  ProvState[29] = new Option("NewJersey");
  ProvState[30] = new Option("NewMexico");
  ProvState[31] = new Option("NewYork");
  ProvState[32] = new Option("NorthCarolina");
  ProvState[33] = new Option("NorthDakota");
  ProvState[34] = new Option("Ohio");
  ProvState[35] = new Option("Oklahoma");
  ProvState[36] = new Option("Oregon");
  ProvState[37] = new Option("Pennsylvania");
  ProvState[38] = new Option("RhodeIsland");
  ProvState[39] = new Option("SouthCarolina");
  ProvState[40] = new Option("SouthDakota");
  ProvState[41] = new Option("Tennessee");
  ProvState[42] = new Option("Texas");
  ProvState[43] = new Option("Utah");
  ProvState[44] = new Option("Vermont");
  ProvState[45] = new Option("Virginia");
  ProvState[46] = new Option("Washington");
  ProvState[47] = new Option("WestVirginia");
  ProvState[48] = new Option("Wisconsin");
  ProvState[49] = new Option("Wyoming");

  }

  for (i=document.newforms.SelectProvState.options.length; i>0; i--) { 
  document.newforms.SelectProvState.options[i] = null;
  }

  for(i=0; i<ProvState.length; i++) {
  document.newforms.SelectProvState.options[i] = ProvState[i];
  }

  document.newforms.SelectProvState.options[0].selected = true;

}

//-->
</script>


</head>

<body>

<form name="newforms">

Choose Country:

<select name="country" onChange="CreateProvince()">

  <option value="">Choose Country</a>
  <option value="Canada">Canada</a>
  <option value="USA">USA</a>

</select>

<select name="SelectProvState">

  <option value="1">Choose province/state</option>

</select>

</form>
</body>
</html>

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Linked ComboBox (option) Country =- province : Option Select ComboBox « Form Control « JavaScript DHTML

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