What happens when you use:
<select name="prod_namedd" id="prod_namedd" tabindex="10" onChange="getPrice(this.value)" autocomplete="on">
<option value="" selected>-Select-</option>
<?php
$wa_startindex = 0;
while(!$WADAcac_prod_subcategory_leveltwo_NEW_insertx->atEnd()) {
$wa_startindex = $WADAcac_prod_subcategory_leveltwo_NEW_insertx->Index;
?>
<option value="<?php echo(!empty($WADAcac_prod_subcategory_leveltwo_NEW_insertx->getColumnVal('prod_name')))?$WADAcac_prod_subcategory_leveltwo_NEW_insertx->getColumnVal('prod_name'):$WADAcac_prod_subcategory_leveltwo_NEW_insertx->getColumnVal('prod_name2'); ?>"><?php echo($WADAcac_prod_subcategory_leveltwo_NEW_insertx->getColumnVal('prod_name')); ?><?php echo($WADAcac_prod_subcategory_leveltwo_NEW_insertx->getColumnVal('prod_name2')); ?></option>
<?php
$WADAcac_prod_subcategory_leveltwo_NEW_insertx->moveNext();
}
$WADAcac_prod_subcategory_leveltwo_NEW_insertx->moveFirst(); //return RS to first record
unset($wa_startindex);
unset($wa_repeatcount);
?>
</select>