<?php
	// core
	$monthNames = Array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");
	if (!isset($_REQUEST["month"]))
		$_REQUEST["month"] = date("n");
	if (!isset($_REQUEST["year"]))
		$_REQUEST["year"]  = date("Y");
	$cMonth = $_REQUEST["month"];
	$cYear  = $_REQUEST["year"];
	$prev_year = $cYear;
	$next_year = $cYear;
	$prev_month = $cMonth-1;
	$next_month = $cMonth+1;
	if ($prev_month == 0 ) {
		$prev_month = 12;
		$prev_year = $cYear - 1;
	}
	if ($next_month == 13 ) {
		$next_month = 1;
		$next_year = $cYear + 1;
	}
?>

<div id="calendar_div" name="calendar_div">
	<table width="200">
		<tr align="center">
			<td bgcolor="#999999" style="color:#FFFFFF">
				<table width="100%" border="0" cellspacing="0" cellpadding="0">
					<tr>
						<td width="50%" align="left">
							<a href="<?php echo $_SERVER["PHP_SELF"] . "?month=". $prev_month . "&year=" . $prev_year; ?>" style="color:#FFFFFF">
								Previous
							</a>
						</td>
						<td width="50%" align="right">
							<a href="<?php echo $_SERVER["PHP_SELF"] . "?month=". $next_month . "&year=" . $next_year; ?>" style="color:#FFFFFF">
								Next
							</a>
						</td>
					</tr>
				</table>
			</td>
		</tr>
		<tr>
			<td align="center">
				<table width="100%" border="0" cellpadding="2" cellspacing="2">
					<tr align="center">
						<td colspan="7" bgcolor="#999999" style="color:#FFFFFF"><strong><?php echo $monthNames[$cMonth-1].' '.$cYear; ?></strong></td>
					</tr>
					<tr>
						<td align="center" bgcolor="#999999" style="color:#FFFFFF"><strong>S</strong></td>
						<td align="center" bgcolor="#999999" style="color:#FFFFFF"><strong>M</strong></td>
						<td align="center" bgcolor="#999999" style="color:#FFFFFF"><strong>T</strong></td>
						<td align="center" bgcolor="#999999" style="color:#FFFFFF"><strong>W</strong></td>
						<td align="center" bgcolor="#999999" style="color:#FFFFFF"><strong>T</strong></td>
						<td align="center" bgcolor="#999999" style="color:#FFFFFF"><strong>F</strong></td>
						<td align="center" bgcolor="#999999" style="color:#FFFFFF"><strong>S</strong></td>
					</tr>

					<?php
						$timestamp = mktime(0,0,0,$cMonth,1,$cYear);
						$maxday    = date("t",$timestamp);
						$thismonth = getdate ($timestamp);
						$startday  = $thismonth['wday'];
						for ($i=0; $i<($maxday+$startday); $i++) {
							if(($i % 7) == 0 )
								echo "<tr>\n";
							if($i < $startday)
								echo "<td></td>\n";
							else
								echo "<td align='center' valign='middle' height='20px'>". ($i - $startday + 1) . "</td>\n";
							if(($i % 7) == 6 )
								echo "</tr>\n";
						}
					?>
				</table>
			</td>
		</tr>
	</table>
</div>