<table class="table table-responsive inputs">
<thead>
<th>part №</th>
<th>part detail name</th>
<th>Сумма за ед.</th>
<th>кол-во</th>
</thead>

<tr>
<td>
		<select name="otdel" class="form-control" id="otdel" onchange="javascript:selectRegion();">
                <option value="">
				
                </option>
				<?foreach ($get_part as $item):?>
				<option value="<?=$item['id']?>"><?=$item['part_n']?></option>
				<? endforeach;?>
            </select>
</td>
<td><div  name="selectDataPart"></div></td>
<td><div  name="selectDataPrice"></div></td>
<td><input class="form-control" type="text" name="srok" value=""/></td>
</tr>
</table>

<script type="text/javascript">
function selectRegion(){
        var id_country = $('select[name="otdel"]').val();
        if(!id_country){
                $('div[name="selectDataPart"]').html('');
				$('div[name="selectDataPrice"]').html('');
        }else{
                $.ajax({
                        type: "POST",
                        url: "http://core/ajax.base.php",
                        data: { action: 'showRegionForInsert', id_country: id_country },
                        cache: false,
                        success: function(responce){ $('div[name="selectDataRegion"]').html(responce); }
                });
				$.ajax({
                        type: "POST",
                        url: "http://core/ajax.base.php",
                        data: { action: 'price', id_country: id_country },
                        cache: false,
                        success: function(responce){ $('div[name="selectDataPrice"]').html(responce); }
                });
        };
};
</script>

switch ($_POST['action']):
 
    case "showRegionForInsert":

        $sql = "SELECT * FROM `priced` WHERE `id` = '" . mysql_real_escape_string ($_POST['id_country'], $link) . "' ";
        $resource = mysql_query ($sql, $link);
        while ($row = mysql_fetch_assoc ($resource))			
            echo '<input name="otvetstvenniy" class="form-control" id="otvetstvenniy" value="'.$row['detail_name'].'">';


        break;
     case "price":
		$sql = "SELECT * FROM `priced` WHERE `id` = '" . mysql_real_escape_string ($_POST['id_country'], $link) . "' ";
        $resource = mysql_query ($sql, $link);
        while ($row = mysql_fetch_assoc ($resource))
			echo '<input name="b" class="form-control" id="b" value="'.$row['price'].'">';
		break;	 
endswitch;