Select dropdown updates second select values

Select dropdown updates second select values

by dhavaljani

HTML

<div class="ccms_form_element cfdiv_custom" id="style_container_div">
<label>Choose Rank: </label><select size="1" id="Rank" class=" validate['required']" title="" type="select" name="Rank" value="-Select Your Rank-">
    <optgroup label="-Select Your Rank-">
    <option value="Airman">Airman</option>
    <option value="AirmanFirstClass">Airman First Class</option>
    <option value="SeniorAirman">Senior Airman</option>
    <option value="StaffSergeant">Staff Sergeant</option>
    <option value="SeniorMasterSergeant">Senior Master Sergeant</option>
    </optgroup>
</select><div class="clear"></div><div id="error-message-style"></div></div>

<div id="Airman"  class="style-sub-1"  style="display: none;" name="stylesub1" onchange="ChangeDropdowns(this.value)">
  <label>Which Job? </label>
    <select id="Airman" name="Airman">
      <option value="">-Choose A Job-</option>
      <option value="Basic Ore Miner - Level 1a">Basic Ore Miner - Level 1</option>
      <option value="Basic Ore Miner - Level 2a">Basic Ore Miner - Level 2</option>
      <option value="Basic Ore Miner - Level 3a">Basic Ore Miner - Level 3</option>
      <option value="Basic Ore Miner - Level 4a">Basic Ore Miner - Level 4</option>
      <option value="Basic Ore Miner - Level 5a">Basic Ore Miner - Level 5</option>
      <option value="Basic Ore Miner - Level 6a">Basic Ore Miner - Level 6</option>
      <option value="Basic Ore Miner - Level 7a">Basic Ore Miner - Level 7</option>
      <option value="Plagioclase Miner - Level 1a">Plagioclase Miner - Level 1</option>
      <option value="Plagioclase Miner - Level 2a">Plagioclase Miner - Level 2</option>
      <option value="Plagioclase Miner - Level 3a">Plagioclase Miner - Level 3</option>
      <option value="Plagioclase Miner - Level 4a">Plagioclase Miner - Level 4</option>
      <option value="Plagioclase Miner - Level 5a">Plagioclase Miner - Level 5</option>
      <option value="Plagioclase Miner - Level 6a">Plagioclase Miner - Level...

JavaScript

$("#Rank").change(function(){
   correspondingID = $(this).find(":selected").val()
   $(".style-sub-1").hide();
   $("#" + correspondingID).show();

})