how to send current URL + with email form?

[ctcp]

sendmail.php

 

<?php

         $email = $_POST['email'];
         $to = $_POST['recipent']; 
         $subject = "SUBJECT HERE."; 
         $message  = "YOUR MESSAGE HERE"; 
         $header  = "From: $email " . "\r\n"; 

         $send = mail($to, $subject, $message, $header); 

         echo "Your invitations have been sent!"; 

   ?>

 

and this is invite.php

<style>
#container_mail {
width:300px;
margin:0 auto;
background:#151521;
padding:5px;
background-color:#ffffff;
border:1px solid black;

/* for IE */
filter:alpha(opacity=60);
/* CSS3 standard */
opacity:0.6;
  }
#inner_container_mail {
background:url(../images/inner_container.jpg) top repeat-x #181824;
padding:10px 10px 10px 25px;
}
</style>
<?php
include_once 'common.php';
require_once("pages/validation.php");

?>
<script type="text/javascript" src="ajax/jquery.js"></script>
<div id="container_mail">
<div id="inner_container_mail">
  <div id="content">

	<?if( isset($_POST['send']) &&  (!validateEmail($_POST['email'])  ) ):?>
			<div id="error">
				<ul>

					<?if(!validateEmail($_POST['email'])):?>
						<li><strong><?=$errormail?></strong> <?=$errormail1?></li>
					<?endif?>

				</ul>
			</div>
		<?elseif(isset($_POST['send'])):?>
			<div id="error" class="valid">
				<ul>
					<li><strong><?=$congratulations?></strong> <?=$congratulations?></li>
           				</ul>
			</div>
        <p>
          <?endif?>

    </p>
        <form method="post" id="customForm" action="pages/invite_mail.php">
<div>
			<label for="email"><?= $email; ?></label>
			<input id="email" name="email" type="text" />
			<span id="emailInfo"><?= $yourmail; ?></span>
		</div>
		<div>
			<label for="recipent"><?= $email; ?></label>
			<input id="recipent" name="recipent" type="text" />
			<span id="emailInfo"><?= $yourmail; ?></span>
		</div>
		<div>
			<input id="send" name="send" type="submit" value="<?=$submit;?>" />
		</div>
	</form>
</div>
<script type="text/javascript" src="ajax/jquery.js"></script>
<script type="text/javascript" src="ajax/validation_email.js"></script>
</body>
</html>
</div>

</div>
</div>


</body>
</html>

 

how to send the corent location in website to friend

for example now my location is

http://www.phpfreaks.com/forums/index.php?action=post;board=1.0

how to send this ? sorry for my english ..