<h3 align='left'>Doctor Schedule</h3>
<center>
<?php

$tbl = 'dschedules';
$schid = $_REQUEST["schid"];
$monthyear = $_REQUEST["monthyear"];
if (!$monthyear) $monthyear = date("Y-m");

if ($_POST["submit"] == 'SAVE') {
	
	$drid = $_POST["drid"];
	$dayweek = $_POST["dayweek"];
	$timing = $_POST["timing"];
	if (!$timing) {
		$ftime = $_POST["ftime"];
		$ttime = $_POST["ttime"];

		//if ($ftime < $ttime) 
		$timing = "$ftime - $ttime";
		//else echo "Wrong timing";
	}

	if (mysql_num_rows(mysql_query("select * from $tbl where sch_id=$schid"))) {
		mysql_query("update $tbl set dr_id='$drid',period='$monthyear',day_week='$dayweek',timing='$timing',
		login_id='$user' where sch_id=$schid");
	} else {
		mysql_query("insert into $tbl(dr_id,period,day_week,timing,login_id) 
		values('$drid','$monthyear','$dayweek','$timing','$user')");
	}

} else if ($_POST["submit"] == 'DELETE') {
	mysql_query("update $tbl set dr_id='' where sch_id=$schid");

}

if ($_GET["cont"] == 1) {
	$pmonthyear = previous_month();
	$rs = mysql_query("select * from $tbl where period='$pmonthyear' order by sch_id");
	while ($o = mysql_fetch_object($rs)) {
		$i++;
		mysql_query("insert into $tbl(dr_id,period,day_week,timing,date_creation,date_updation,login_id) 
		values('$o->dr_id','$monthyear','$o->day_week','$o->timing',now(),now(),'$user')");
	}
}

?>

Select month <select name='monthyear'>
<?php
$cal = explode("-", $monthyear);
$m = $cal[1];
$y = $cal[0];

$rs = mysql_query("select distinct concat(year(reg_date),'-',month(reg_date)) as monthyear from registrations order by reg_date desc");
while ($o = mysql_fetch_object($rs)) {
        if (strlen($o->monthyear) == 6) $myear = str_replace("-","-0",$o->monthyear);
        else $myear = $o->monthyear;
        echo "<option value='$myear'";
        if ($myear == $monthyear) echo " selected";
        echo ">$myear</option>";
}
?>
</select> <input type='submit' name='submit' value='OK'>

<table border='1' width='80%'>
<tr><th nowrap>Time Slots \ Day of Week</th>

<?php
$dayweeks = array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'); 

foreach ($dayweeks as $dw) {
	echo "<th>$dw</th>";
}

echo "</tr>";

$i = 0; $j = 0; $k = 0;

$rs = mysql_query("select distinct timing from $tbl where period='$monthyear' order by sch_id");
while ($o = mysql_fetch_object($rs)) {
	$i++;
	$timing = $o->timing;
	
	echo "<tr><th>$timing</th>";
		
	$j = 0;
	$sr = mysql_query("select * from $tbl where period='$monthyear' and timing='$timing' order by sch_id");
	while ($q = mysql_fetch_object($sr)) {
		$j++;
		echo "<td align='center'>";
		if ($schid == $q->sch_id) {
			echo doctor_list($q->dr_id) . "<input type='hidden' name='dayweek' value='$q->day_week'>
			<input type='hidden' name='timing' value='$q->timing'><input type='hidden' name='schid' value='$q->sch_id'>";
		} else if ($monthyear == $q->period) {
			echo "<a href='?pg=$pg&edit=1&schid=$q->sch_id'>".($q->dr_id ? $q->dr_id : 'x') ."</a>";
		} else {
			echo ($q->dr_id ? $q->dr_id : 'x');
		}
		echo "</td>";
		$did = $q->dr_id;
	}
	if ($j < 7 || ($j < 7 && $did == '')) {
		echo "<td>" . doctor_list($drid) . "<input type='hidden' name='dayweek' value='".$dayweeks[$j] . "'>
		<input type='hidden' name='timing' value='$timing'><input type='hidden' name='schid' value='$q->sch_id'></td>";
	} else $j = 0;

	echo "</tr>";
}

$edit = $_GET["edit"];
$timings = explode(" - ", $timing);

echo "<tr>";
if ((!$i || !$j) && ($edit == 0)) {
       echo "<th>";
	if ($timings[1]) {
		echo $timings[1] . "<input type='hidden' name='ftime' value='" . $timings[1] . "'>";
	} else {
		echo "<select name='ftime'>";
                
        	for ($j = 0; $j < 24; $j++) {
                	echo "<option value='$j'>$j</option>";
        	}
                
        	echo "</select>";
	}
	echo " - <select name='ttime'>";
                
        for ($j = 1; $j < 24; $j++) {
                echo "<option value='$j'>$j</option>";
        }
                
        echo "</select></th>
	<td>" . doctor_list($drid) . "<input type='hidden' name='dayweek' value='" . $dayweeks[0] . "'></td>";
} else {
        echo "<th><a href='?pg=$pg&schid='>Next</a></th>";
}
echo "</tr>";

if (!mysql_num_rows($rs)) {
	echo "<tr><td colspan='8'><a href='?pg=$pg&cont=1'>Continue with previous schedule</a></td></tr>";
}

?>

<tr><th colspan='8'>
<input type='submit' name='submit' value='SAVE'> <input type='submit' name='submit' value='DELETE'>
</th></tr>
</table>
</center>