<form method"post" onsubmit="return false;">
   <label>Your Email:<br /><input type="text" name="email" id="email" /></label><br />
   <label>Subject:<br /><input type="text" name="subject" id="subject" style="width:500px;" /></label><br />
   <label>Message:<br /><input type="text" name="message" id="message" style="width:500px;height:200px;background-color:#DFB782;color:#000;border:1px solid #462401;font-weight:bold;" /></label><br />
   <input type="submit" value="Send" style="background-color:#DFB782;color:#000;border:1px solid #462401;font-weight:bold;margin-top:5px;padding:5px;font-size:18px;" onClick="sendRequest()" />
  </form>

<?php
$mail['to'] = 'business@caffeinatedcustoms.com';
$mail['from'] = $_POST['email'];
$mail['subject'] = $_POST['subject'];
$mail['message'] .= $_POST['message'];
$mail['header'] = 'From: '.$_POST['Name'].'<'. $mail['from'] . ">\r\n";
 
$mail['status'] = @mail($mail['to'], $mail['subject'], $mail['message'], $mail['header']);
if ($mail['status'] == false) {
    echo 'Failed to send mail to ' . $mail['to'] . '.<br>Error: ' . error_get_last();
    exit;
}
else{
 echo 'Thank You we will Resond Soon';
 }
?>

   <script type="text/javascript" src="prototype.js"></script>
	<script>
 
			function sendRequest() {
				new Ajax.Request("sendmail.php", 
					{ 
					method: 'post', 
					postBody: 'message='+ $F('message'),
					onComplete: showResponse 
					});
				}
 
			function showResponse(req){
				$('show').innerHTML= req.responseText;
			}
   </script>