<h3 align='left'>Bill Receipt</h3>
<center>
<?php

$tbl = 'bills';
$billno = $_REQUEST["billno"];
$regno = $_REQUEST["regno"];

if ($_POST["submit"] == 'SAVE') {
	
	$billamount = $_POST["billamount"];
	$billdatetime = $_POST["billdatetime"];

	if (mysql_num_rows(mysql_query("select * from $tbl where bill_no=$billno"))) {
		mysql_query("update $tbl set reg_no=$regno,bill_amount=$billamount,login_id='$user' where bill_no=$billno");
	} else {
		mysql_query("insert into $tbl(bill_no,reg_no,bill_amount,bill_date,login_id) 
		values($billno,$regno,$billamount,'$billdate','$user')");
	}

}
if ($_GET["del"] == 1) {
//	mysql_query("delete from $tbl where bill_no=$billno");
}

echo "<table border='1' width='80%'>
<tr><th>Sr</th><th>RegNo</th><th>BillNo</th><th>BillAmount</th><th>BillDate</th>
<th>ShopName</th><td align='center'>Action</td></tr>";

if (!$billno) {
	echo "<tr><td>+</td>
	<td><input type='text' name='regno' value='' size='20'></td>
	<td><input type='text' name='billno' value='' size='20'></td>
	<td><input type='text' name='billamount' value='0' size='10'></td>
	<td><input type='text' name='billdate' value='".date("Y-m-d")."' size='15'></td>
	<td><input type='text' name='shopname' value='' size='25'></td>
	<td align='center'><input type='submit' name='submit' value='SAVE'></td></tr>";     
} else {
	echo "<tr><td colspan='7'><a href='?pg=$pg&regno=$regno&billno='>+</a></td></tr>";
}

$rs = mysql_query("select * from $tbl order by date_creation desc");
while ($o = mysql_fetch_object($rs)) {
	$i++;
       	echo "<tr><td>$i</td>";
	if ($billno == $o->bill_no) {
       		echo "<td><input type='text' name='regno' value='$o->reg_no' size='20'></td>
       		<td><input type='text' name='billno' value='$o->bill_no' size='20'></td>
       		<td><input type='text' name='billamount' value='$o->bill_amount' size='10'></td>
       		<td><input type='text' name='billdate' value='$o->bill_date' size='15'></td>
       		<td><input type='text' name='shopname' value='$o->shop_name' size='25'></td>
		<td align='center'><input type='submit' name='submit' value='SAVE'></td>";     
	} else {
 		echo "<td><a href='?pg=$pg&regno=$o->reg_no&billno=$o->bill_no'>$o->reg_no</td>
 		<td><a href='?pg=$pg&regno=$o->reg_no&billno=$o->bill_no'>$o->bill_no</td>
		<td>$o->bill_amount</td>
		<td>$o->bill_date</td>	
		<td>$o->shop_name</td>";	
	}
	echo "</tr>";
	if (!$regno) $regno = $o->reg_no;
}
echo "</table>";
	
echo registration_detail($regno);
		
?>
</center>