รันใน chrome & firefox ได้ แต่ใน ie ไม่ได้ค่ะ เป็นการทำ listbox 2 ชั้นค่ะ รบกวนด้วยค่ะ

<script type="text/javascript">

$(function() {
		$("#date").datepicker({
                        showWeek: true,
			changeMonth: true,
			changeYear: true,
                        dateFormat: 'yy-mm-dd'
		});
		
	});

var Option_01 = "<select><?php foreach($storeid1 as $key) {echo '<option>'.$key['INSTANCE_NAME']; } ?></select>"
var Option_02 = "<select><?php foreach($storeid2 as $key) {echo '<option>'.$key['INSTANCE_NAME']; } ?></select>"
var Option_03 = "<select><?php foreach($storeid3 as $key) {echo '<option>'.$key['INSTANCE_NAME']; } ?></select>"
var Option_04 = "<select><?php foreach($storeid4 as $key) {echo '<option>'.$key['INSTANCE_NAME']; } ?></select>"

function ChangeOption(value) {
   if (value == '') {document.getElementById('ddlstoreid').innerHTML = ''; }
   else if (value == 01) {document.getElementById('ddlstoreid').innerHTML = Option_01; }
   else if (value == 02) {document.getElementById('ddlstoreid').innerHTML = Option_02; }
   else if (value == 03) {document.getElementById('ddlstoreid').innerHTML = Option_03; }
   else if (value == 04) {document.getElementById('ddlstoreid').innerHTML = Option_04; }
  
   
}

</script>

<?php

if ($submenu[0]['SUBTYPE'] == '1') {
    // Draw  --> Store Type | Store ID | Date
     echo form_open($submenu[0]['URL']); ?>
 
    <table>
    	<tr>
    		<td>
  <td ><b>Stroe Type : </b>
                <select name="select_type" class="MyForm" id="select_type" onChange="ChangeOption(this.value)">
                <option value="">Select Store Type</option>
                <option value="1">Hyper Store</option>
                <option value="2">Value Store</option>
                <option value="3">Super Store</option>
                <option value="4">Express Store</option>
              </select></td>
              <td >
             <select id="ddlstoreid" name="ddlstoreid" style="width:200px"></select>

                
              </td>
              <td>
             Date: <input type="text" name="date" id="date" />
             </td>
              <td width="9%"> <input type="submit" name="Submit" value="Show Report" /> </td>
            


</td>

</tr>
</table>
<?php
} else if ($submenu[0]['SUBTYPE'] == '2') {
    // Draw  --> Store Type | Month | Year
   echo form_open($submenu[0]['URL']); ?>
    
    <table>
    	<tr>
    		<td>
   Store Type : 
   
   <select name="storetype" style="width:200px;"  >
    	<option value="" selected="selected">--select--</option>
    	<option value="1" >Hyper Store</option>
    	<option value="2" >Value Store</option>
    	<option value="3" >Super Store</option>
    	<option value="4" >Express Store</option>
        
    </select> 
    	</td>
    	<td>
   Month:: 
   <select name="month" style="width:150px;"  >
    	<option value="" selected="selected">--select--</option>
    	<option value="1" >January</option>
    	<option value="2" >February</option>
    	<option value="3" >March</option>
    	<option value="4" >April</option>
    	<option value="5" >May</option>
    	<option value="6" >June</option>
    	<option value="7" >July</option>
    	<option value="8" >August</option>
    	<option value="9" >September</option>
    	<option value="10" >October</option>
    	<option value="11" >November</option>
    	<option value="12" >December</option>
    	
        
    </select>
   
    </td>
    <td>
Year ::
<select name="year" style="width:150px;"  >
    	<option value="" selected="selected">--select--</option>
    	<option value="1" >2010</option>
    	<option value="2" >2011</option>
    	<option value="3" >2012</option>
    	<option value="4" >2013</option>
    	<option value="5" >2014</option>
    	<option value="6" >2015</option>
    	<option value="7" >2016</option>
    	<option value="8" >2017</option>
    	<option value="9" >2018</option>
    	<option value="10" >2019</option>
    	<option value="11" >2020</option>
    
    	
        
    </select>

</td>
 <td>
   	<input type="submit" name="Submit" value="Submit" />
   </td>
</tr>
</table>
<?php
    
} else if ($submenu[0]['SUBTYPE'] == '3') {
    // Draw  --> Store Type
   echo form_open($submenu[0]['URL']); ?>
    
    <table>
    	<tr>
    		<td>
   Store Type : 
   
   <select name="storetype" style="width:200px;"  >
    	<option value="" selected="selected">--select--</option>
    	<option value="1" >Hyper Store</option>
    	<option value="2" >Value Store</option>
    	<option value="3" >Super Store</option>
    	<option value="4" >Express Store</option>
        
    </select> 
    	</td>
   
   <td>
   	<input type="submit" name="Submit" value="Submit" />
   </td>
  
</tr>
</table>
<?php    
}
?>


<?php echo form_close(); ?>