Try..
html form...
<form method="POST" action="mailer.php">
<table border="0" cellspacing="0" cellpadding="0">
<tr align="left" valign="top">
<th scope="col"><p><strong>Name:
</strong></p>
</th>
<th scope="col"><input name="name" type="text" onBlur="MM_validateForm('name','','R');return document.MM_returnValue" size="25">
<br></th>
</tr>
<tr align="left" valign="top">
<td><strong>E-Mail: </strong></td>
<td><input name="email" type="text" onBlur="MM_validateForm('email','','RisEmail');return document.MM_returnValue" size="25">
<br></td>
</tr>
<tr align="left" valign="top">
<td><strong>Telephone Number: </strong></td>
<td><input name="telephone" type="text" onBlur="MM_validateForm('telephone','','RisNum');return document.MM_returnValue" size="25">
<br></td>
</tr>
<tr align="left" valign="top">
<td><strong>Mobile Number: </strong></td>
<td><input name="mobile" type="text" onBlur="MM_validateForm('mobile','','RisNum');return document.MM_returnValue" size="25">
<br></td>
</tr>
<tr align="left" valign="top">
<td><strong>Players: </strong></td>
<td><select size="1" name="players">
<option>1</option>
<option>2</option>
<option>3</option>
<option>4</option>
<option>5</option>
<option>6</option>
<option>7</option>
<option>8</option>
<option>9</option>
<option>10</option>
<option>11</option>
<option>12</option>
</select><br></td></tr>
<tr align="left" valign="top">
<td><strong>Day:</strong></td>
<td><select name="drop_down" id="drop_down">
<option>Please Select Day</option>
<option value="Monday">Monday</option>
<option value="Tuesday">Tuesday</option>
<option value="Wednesday">Wednesday</option>
<option value="Thursday">Thursday</option>
<option value="Friday">Friday</option>
<option value="Saturday">Saturday</option>
<option value="Sunday">Sunday</option>
</select>
<br></td>
</tr>
<tr align="left" valign="top">
<td><strong>Time:</strong></td>
<td><select name="time" id="time">
<option>Waiting on Day Selection</option>
</select>
<br></td>
</tr>
<tr align="left" valign="top">
<td><strong>Buffered:</strong></td>
<td><input name="radio" type="radio" onClick="MM_validateForm('name','','R');return document.MM_returnValue" value="Buffered Lane">
<br></td>
</tr>
<tr align="left" valign="top">
<td><strong>Normal Lane : </strong></td>
<td><input name="radio" type="radio" value="Normal Lane" checked>
<br></td>
</tr>
<tr align="left" valign="top">
<td><p><strong>Additional Information:</strong></p>
<p> </p>
<p> </p>
<p> </p></td>
<td><textarea rows="5" name="message" cols="30"></textarea></td>
</tr>
<tr align="center" valign="middle">
<td colspan="2"><p>
<strong>
<input name="check" type="checkbox" onClick="MM_validateForm('name','','R');return document.MM_returnValue" value="i agree">
I agree that all details above are correct.</strong><br>
<br>
</p>
</td>
</tr>
<tr align="center" valign="middle">
<td><input type="submit" value="Submit" name="submit"> </td>
<td><input type="reset" name="Reset" value="Reset"></td>
</tr>
</table>
</form>
php...
<?php
if(empty($_POST['check'])){
echo "check box not ticked";
die();
}
$to = "EMAILHERE@BLAH.COM";
$subject = "Booking Form";
foreach($_POST as $name => $data){
$body .= "{$name}: {$data}" . "\r\n";
}
if(mail($to, $subject, $body)){echo "sent"; }
?>