<section id="toplevel-frontpage">
    <div class="container">
        <div class="block">
            <div class="row">
                <div class="col-xs-12 col-sm-12 col-md-8 col-lg-8">
                    <form id="lets_search" action="" style="width:400px;margin:0 auto;text-align:left;">
                        Search:<input type="text" name="str" id="str">
                            <input type="submit" value="send" id="send">
                    </form>
                    <div id="search_results"></div>
                </div>
            </div>
        </div>
    </div>
</section>

$(function() {
        $("#lets_search").bind('submit',function() {
          var value = $('#str').val();
          $.post('wp-content/themes/MyTheme/includes/search-post-results.php',{value:value}, function(data){
          $("#search_results").html(data);
        });
          return false;
       });
   });

<?php session_start(); ?>
    <?php
    /*
    Template Name: Search Page
    */
    ?>
    <?php
    $value = $_POST['value'];
    $path = $_SERVER['DOCUMENT_ROOT'];

        include_once $path . '/wp-config.php';
        include_once $path . '/wp-load.php';
        include_once $path . '/wp-includes/wp-db.php';
        include_once $path . '/wp-includes/pluggable.php';

    ?>
    <?php
    $s=$_POST['value'];
    $args = array(
                    'post_type' => 'team',
                    'orderby' => 'title',
                    'order' => 'ASC',
                    'posts_per_page' => -1,
                    's' =>$s
                );
        // The Query
    $the_query = new WP_Query($args);
    if ( $the_query->have_posts() ) {
            while ( $the_query->have_posts() ) {
               $the_query->the_post();
               $value = get_the_id();
               $mail = get_field('e-mail_adres', $value);
               $afd = get_field('functie', $value);
               $intrn = get_field('intern_telefoonnummer', $value);
               $mob = get_field('mobiel', $value);
               $locatie = get_field('locatie', $value);


                     ?>

               <div class="col-xs-12 col-sm-12 col-md-6 col-lg-6">
               <div style="min-height:150px;">
                    <div class="col-xs-12">
                        <h3><?php the_title(); ?></h3>
                   </div>
                    <div class="col-xs-12 col-sm-12 col-md-2 col-lg-2">
                        <div class="thumbnail-image">
                            <?php echo get_the_post_thumbnail(); ?>
                        </div>
                    </div>
                    <div class="col-xs-12 col-sm-12 col-md-10 col-lg-10">
                        <div class="row">
                            <table class="zoek-col">
                                <?php if( get_field('intern_telefoonnummer') ): ?>
                                    <tr>
                                        <td class="td-top">Tel. Intern:</td>
                                        <td><?php the_field('intern_telefoonnummer'); ?></td>
                                    </tr>
                                <?php endif; ?>
                                <?php if( get_field('intern_utr') ): ?>
                                    <tr>
                                        <td class="td-top">Tel. Intern (extra):</td>
                                        <td><?php the_field('intern_utr'); ?></td>
                                    </tr>
                                <?php endif; ?>
                                <tr>
                                    <td class="td-top">E-mail adres:</td>
                                    <td><a href="mailto:<?php echo $mail; ?>"><?php echo $mail; ?></a></td>
                                </tr>
                                <?php if( get_field('mobiel_werk') ): ?>
                                    <tr>
                                        <td class="td-top">Mobiel werk:</td>
                                        <td><?php the_field('mobiel_werk'); ?></td>
                                    </tr>
                                <?php endif; ?>
                                <tr>
                                    <td class="td-top">Mobiel privé:</td>
                                    <td><?php echo $mob; ?></td>
                                </tr>
                                <?php if( get_field('locatie') ): ?>
                                    <tr>
                                        <td class="td-top">Locatie:</td>
                                        <td><?php the_field('locatie'); ?></td>
                                    </tr>
                                <?php endif; ?>
                            </table>
                        </div>
                    </div>
                </div>
                </div>
              <?php
            }
        }else{
    ?>
            <h3>Geen collega's gevonden</h3>
                <p style="font-size:1.3rem;">Probeer het opnieuw</p>
    <?php } ?>

// include_once $path . '/wp-load.php';
   // include_once $path . '/wp-includes/wp-db.php';
   // include_once $path . '/wp-includes/pluggable.php';