querySQL

<?php
error_reporting(0);
if($_POST["simpan"])
	{
		$conn = mysql_connect("127.0.0.1","jackhack","dancing01")or
			die(mysql_error()."Cannot connect to server");

		$data = mysql_select_db("personalia", $conn)or
			die(mysql_error()."Cannot connect to database");


$textnip 		= $_POST['NIP'];
$textnama 		= $_POST['nama'];
$kodedepartemen		= $_POST['kode'];
$tanggalLhr		= $_POST['tahun']-$_POST['bulan']-$_POST['tanggal'];
$textanak		= $_POST['anak'];

$sql = "insert into karyawan (NIP, Kode_Dep, Nama, Tanggal_Lahir, Jumlah_Anak) values ('$textnip','$kodedepartemen', '$textnama', '$tanggalLhr' ,'$textanak')";
$result = mysql_query($sql, $conn)or
die(mysql_error()."An error occure in SQL query <br> Query: $sql");
	print("<table align=\"center\">");
	print("<tr bgcolor=\"#0099FF\">");
	print("<td align=\"center\">");
	print("<font face=\"verdana\" color=\"#CCEBFF\">Terima kasih $textnama data anda telah kami simpan</td>");
	print("</tr>");
	print("<tr bgcolor=\"#0099FF\">");
	print("<td align=\"center\">");
	print("<font face=\"verdana\" color=\"#CCEBFF\"><a href=\"insertPegawai.php\">Back</td>");
	print("</tr>");
	print("</table>");

	}
?>