ใครมี code ปฏิทินกิจกรรมที่ติดต่อกับฐานข้อมูลบ้างขอหน่อยครับ

<?

$start = $_GET[start];

$month_array = array(
1=>"มกราคม",
"กุมภาพันธ์",
"มีนาคม",
"เมษายน",
"พฤษภาคม",
"มิถุนายน",
"กรกฎาคม",
"สิงหาคม",
"กันยายน",
"ตุลาคม",
"พฤษจิกายน",
"ธันวาคม"
);

$days = array(
"Sun",
"Mon",
"Tue",
"Wed",
"Thu",
"Fri",
"Sat"
);


if($start == false){

	list($y1,$m1,$d1) = explode("-", date("Y-m-d"));

	$thefirst = mktime(0,0,0,date("m"),1,date("Y"),0);
	$thelast = mktime(0,0,0,date("m")+1,1,date("Y"),0);
}else{

	list($y1,$m1,$d1) = explode("-", $start);
	
	$thefirst = mktime(0,0,0,$m1,1,$y1,0);
	$thelast = mktime(0,0,0,$m1+1,1,$y1,0);
}
list($y,$m,$d) = explode("-", date("Y-m-d", $thefirst));
$numdays = ($thelast-$thefirst)/86400;

$getday1 = getdate($thefirst);
$numweek = ceil($numdays/7)+1;

$x = 0;
while($xx <= 25){
	
	$rs[cal_date] = "2010-01-".sprintf("%02d",rand(1,31));
	
	$course[$rs[cal_date]][course_id] = "ID";
	$course[$rs[cal_date]][course_name] = "ชื่อ $xx";
	$course[$rs[cal_date]][category_name] = $xx%2;
	$x++;
}

$d = "";
$r = 1;
echo "<table border=0 width=100% id=calendar cellspacing=0 cellpadding=0>";
echo "<tr>\n";
echo "<td colspan=7 bgcolor=#5F8BBF class=header align=left style=\"padding: 5px;\">";

?><table width="90%" border="0" cellspacing="0" cellpadding="0" align="center">
  <tr>
    <td width="32%" align="left">
        <table width="100%" border="0" cellspacing="0" cellpadding="0">
      <tr>
        <td width="15%" valign="top" style="font-size:70px;"><?=sprintf("%01d",$m)?></td>
        <td width="42%" align="top" style="padding-right:10px;"><table width="100%" border="0" cellspacing="0" cellpadding="0">
          <tr>
            <td align="left"><? echo $month_array[sprintf("%01d",$m)];?></td>
          </tr>
          <tr>
            <td align="left"><? echo date("F", mktime(0,0,0,$m,1,$y,0))?></td>
          </tr>
        </table></td>
        <td width="43%" align="top" style="border-left:#FFFFFF solid 1px; padding-left:10px;">
        <table width="100%" border="0" cellspacing="0" cellpadding="0">
          <tr>
            <td><? echo $y + 543; ?></td>
          </tr>
          <tr>
            <td><? echo $y; ?></td>
          </tr>
        </table></td>
      </tr>
    </table></td>
    <td width="68%" align="center"><strong> </strong> </td>
  </tr>
</table>
<?
echo "</td>\n";
echo "</tr>\n";

echo "<tr>";
for($i=0; $i<=6; $i++){
	echo "<th bgcolor=\"#FFFFFF\" height=50>".$days[$i]."</th>";
}
echo "</tr>";
while($r <= $numweek){
	echo "<tr>";
	for($i=0; $i<=6; $i++){
		if($r == 1){
			if($i == $getday1[wday]){
				$load = true;
				$d = 1;
			}
		}

		$stamp = @date("Y-m-d", mktime(0,0,0,$m,$d,$y,0));
		if($course[$stamp][course_name]){

			if($course[$stamp][category_name] == "0"){
				$bgcolor = "bgcolor=#CFD3FF";
			}else if($course[$stamp][category_name] == "1"){
				$bgcolor = "bgcolor=#CFFFDA";
			}else{
				$bgcolor = "";
			}

			echo "<td align=center height=50 $bgcolor width=15%>";
			echo "<table $bgcolor>";
			echo "<tr>";
			echo "<td><strong>$d</strong></td>";
			echo "</tr>";
			echo "<tr>";
			echo "<td><a href=\"/".str_replace(" ", "_",$course[$stamp][category_name])."-".$course[$stamp][course_id].".htm\"><font color=red>".$course[$stamp][course_name]."</font></a></td>";
			echo "</tr>";
			echo "</table>";
			echo "</td>";
		}else{
			echo "<td valign=top height=50 align=center width=15%><strong>$d</strong></td>";
		}
	
		if($load == true){
			$d++;
		}
		if($d > $numdays){
			$d = "";
			$load = false;
		}	
	}
	echo "</tr>";
	echo "<tr>";
	echo "<td colspan=7><hr color=#CCCCCC size=1></td>";
	echo "</tr>";
	$r++;
}
echo "</table>";
?>

<table width="90%" border="0" align="center" cellpadding="0" cellspacing="0" style="margin-top:25px;">
  <tr>
    <td><a href="?start=<? echo date("Y-m-d", mktime(0,0,0,$m1-1,1,$y1,0));?>">&laquo; ก่อนหน้านี้</a></td>
    <td align="right"><a href="?start=<? echo date("Y-m-d", mktime(0,0,0,$m1+1,1,$y1,0));?>">ถัดไป &raquo;</a></td>
  </tr>
</table>