custom compose.php

<form action="<?php bp_messages_form_action('compose' ); ?>" method="post" id="send_message_form" class="standard-form" role="main" enctype="multipart/form-data">

    <?php do_action( 'bp_before_messages_compose_content' ); ?>

    <div class="effect6" style="width:100%;">
        <label for="send-to-input"><h2 style="color:rgb(0, 132, 182);"><?php _e("Send To (Username or Friend's Name)", 'buddypress' ); ?></h2></label><br/>
        <ul class="first acfb-holder">
            <li style="width:100%;">
                <?php //bp_message_get_recipient_tabs(); ?>
                <div id="recipients-helpa"></div>
                <input type="text" name="send-to-input" class="send-to-input" id="send-to-input" value="<?php if(isset($_GET['r'])) echo str_replace(",",", @","@".$_GET['r']); ?>"/>
                <label for="send-to-input">Start typing a name</label>
            </li>
        </ul>
    </div>

    <?php //if ( bp_current_user_can( 'bp_moderate' ) ) : ?>
        <!--<input type="checkbox" id="send-notice" name="send-notice" value="1" /> <?php //_e( "This is a notice to all users.", "buddypress" ); ?>-->
    <?php //endif; ?>

    <div class="effect6" style="width:100%;">
        <label for="subject"><h2 style="color:rgb(0, 132, 182);"><?php _e( 'Subject', 'buddypress' ); ?></h2></label>
        <input type="text" name="subject" id="subject" value="<?php bp_messages_subject_value(); ?>" />
    </div>

    <div class="effect6" style="width:100%;">
        <label for="content"><h2 style="color:rgb(0, 132, 182);"><?php _e( 'Message', 'buddypress' ); ?></h2></label>
        <textarea name="content" id="message_content" rows="15" cols="40"><?php bp_messages_content_value(); ?></textarea>

        <div class="submit" style="background-color:rgb(235,235,235);height: 50px; width:100%;">
            <input type="submit" style="float:right;" value="<?php _e( "Send", 'buddypress' ); ?>" name="send" id="send" />
        </div>
    </div>
<?php //bp_message_get_recipient_usernames(); ?>
    <input type="hidden" name="send_to_usernames" id="send-to-usernames" value="<?php if(isset($_GET['r'])) echo str_replace(","," ",$_GET['r']); ?>" class="<?php if(isset($_GET['r'])) echo str_replace(","," ",$_GET['r']); ?>" />

    <?php do_action( 'bp_after_messages_compose_content' ); ?>



    <?php wp_nonce_field( 'messages_send_message' ); ?>
</form>

<script type="text/javascript">
    document.getElementById("send-to-input").focus();
</script>