diff --git a/assets/css/highContrast.css b/assets/css/highContrast.css
index c10d05c..f62f560 100644
--- a/assets/css/highContrast.css
+++ b/assets/css/highContrast.css
@@ -701,7 +701,7 @@ form select {
   font-weight: 400px;
   color: #1f2c3d;
   line-height: 1.3;
-  padding: .3em 1.4em .3em .4em;
+  padding: 0.2em 0.2em 0.2em 0.2em;
   width: 75px;
   max-width: 100%; 
   box-sizing: border-box;
diff --git a/assets/css/main.css b/assets/css/main.css
index 4d7441d..bedd0c6 100644
--- a/assets/css/main.css
+++ b/assets/css/main.css
@@ -694,7 +694,7 @@ form select {
   font-weight: 400px;
   color: #1f2c3d;
   line-height: 1.3;
-  padding: .3em 1.4em .3em .4em;
+  padding: 0.2em 0.2em 0.2em 0.2em;
   width: 75px;
   max-width: 100%; 
   box-sizing: border-box;
diff --git a/assets/css/manager.css b/assets/css/manager.css
index 783a20a..a41d7f7 100644
--- a/assets/css/manager.css
+++ b/assets/css/manager.css
@@ -101,7 +101,7 @@ table.seat td:first-child {
   pointer-events: none;
 }
 
-.tablelist li:nth-child(3n+)
+.tablelist li:nth-child(3n)
 {
    clear: both;
 }
diff --git a/assets/js/selectTicket.js b/assets/js/selectTicket.js
new file mode 100644
index 0000000..d649bca
--- /dev/null
+++ b/assets/js/selectTicket.js
@@ -0,0 +1,47 @@
+// Método 1: recargar la página y enviar un GET.
+window.onload = function(){
+    var select = document.getElementById("select_cinema");
+    select.onchange = function(){
+        location.href += "&cinema=" + $('select[id=cinemas]').val();
+    }
+}
+
+// Método 2: enviar una petición AJAX con POST. (NO FUNCIONA)
+/*
+$(document).ready(function(){
+	$("#select_cinema_session").change(function(){
+        var cinema =  $('select[id=cinemas]').val();
+        //console.log($('select[id=cinemas]').val());
+        $.ajax({
+            url         : 'index.php',
+            type        : 'POST',
+            dataType    : 'text',
+            data        : 'cinema='+cinema,
+            cache       : false,
+            async       : false,
+            success: function(data){
+                $("cinemas option").remove();
+                $("cinemas").append(data);
+                console.log(cinema);
+            },
+            error: function(response)
+            {
+                console.log(response + ' ==> Error al seleccionar el cine')
+            }
+        });
+	});
+});
+*/
+
+//Método 3: enviar una petición AJAX con GET. (NO FUNCIONA)
+/*
+$(document).ready(function(){
+	$("#select_cinema_session").change(function(){
+        var cinema =  $('select[id=cinemas]').val();
+        //console.log($('select[id=cinemas]').val());
+        $.get(window.location + "?cinema=" + cinema, function(data,status){
+            console.log(cinema);
+        });
+	});
+});
+*/
\ No newline at end of file
diff --git a/assets/php/template.php b/assets/php/template.php
index 352c40a..1a23ba3 100644
--- a/assets/php/template.php
+++ b/assets/php/template.php
@@ -701,6 +701,7 @@
         ";
         if($page === "FDI-Cines") echo"<script type='text/javascript' src='{$prefix}assets/js/promotions.js' ></script>\n";
         if($page === "Panel de Usuario") echo"<script type='text/javascript' src='{$prefix}assets/js/deleteConfirm.js' ></script>\n";
+        if($page === "Comprar Entrada") echo"<script type='text/javascript' src='{$prefix}assets/js/selectTicket.js' ></script>\n";
     }
 
     }
diff --git a/purchase/_old.index.php b/purchase/_old.index.php
new file mode 100644
index 0000000..4ff77de
--- /dev/null
+++ b/purchase/_old.index.php
@@ -0,0 +1,153 @@
+<?php
+    //General Config File:
+    require_once('../assets/php/config.php');
+
+    //Get Film to purchase:
+    include_once($prefix.'assets/php/includes/film_dao.php');
+    include_once($prefix.'assets/php/includes/film.php');
+    include_once($prefix.'assets/php/includes/cinema_dao.php');
+    include_once($prefix.'assets/php/includes/cinema.php');
+    include_once($prefix.'assets/php/includes/session_dao.php');
+    include_once($prefix.'assets/php/includes/session.php');
+
+    $TODAY = getdate();
+    $TODAY = "$TODAY[mday]"."-"."$TODAY[mon]"."-"."$TODAY[year]";
+
+    $pay = true;
+    $film = null;
+    $cinemas = [];
+    $sessions = [];
+    if(isset($_GET["film"])){
+        $filmDAO = new Film_DAO("complucine");
+        $film = $filmDAO->FilmData($_GET["film"]);
+        if($film){
+            $tittle = $film->getTittle();
+
+            $cinemas = $filmDAO->getCinemas($_GET["film"]);
+            if(!empty($cinemas)){
+                $cinemasNames = new ArrayIterator(array());
+                $cinemasIDs = new ArrayIterator(array());
+                foreach($cinemas as $key=>$value){
+                    $cinemasIDs[$key] = $value->getId();
+                    $cinemasNames[$key] = $value->getName();
+                }
+                $cinemasIT = new MultipleIterator(MultipleIterator::MIT_KEYS_ASSOC);
+                $cinemasIT->attachIterator($cinemasIDs, "cID");
+                $cinemasIT->attachIterator($cinemasNames, "NAME");
+            
+                $cinemasListHTML = '<form action="confirm.php" method="post">
+                                    <select name="cinemas" id="cinemas">';
+                foreach($cinemasIT as $value){
+                    if($value == reset($cinemasIT)){
+                        $cinemasListHTML .= '<option value="'.$value["cID"].'" selected>'.$value["NAME"].'</option>';
+                    } else {
+                        $cinemasListHTML .='<option value="'.$value["cID"].'">'.$value["NAME"].'</option>';
+                    }
+                }
+                $cinemasListHTML .= '</select>';
+            } else {
+                $cinemasListHTML = '<select name="cinemas"><option value="" selected>No hay cines disponibles para esta película.</option></select></form>';
+            }
+
+            $fiml_id = $film->getId();
+            $cinema_id = $value["cID"];
+
+            $sessionsDAO = new SessionDAO("complucine");
+            $sessions = $sessionsDAO->getSessions_Film_Cinema($fiml_id, $cinema_id);
+            if(!empty($sessions)){
+                $sessionsDates = new ArrayIterator(array());
+                $sessionsStarts = new ArrayIterator(array());
+                $sessionsHalls = new ArrayIterator(array());
+                $sessionsIDs = new ArrayIterator(array());
+                foreach($sessions as $key=>$value){
+                    $sessionsIDs[$key] = $value->getId();
+                    $sessionsDates[$key] = date_format(date_create($value->getDate()), 'j-n-Y');
+                    $sessionsHalls[$key] = $value->getIdhall();
+                    $sessionsStarts[$key] = $value->getStartTime();
+                }
+                $sessionsIT = new MultipleIterator(MultipleIterator::MIT_KEYS_ASSOC);
+                $sessionsIT->attachIterator($sessionsIDs, "sID");
+                $sessionsIT->attachIterator($sessionsDates, "DATE");
+                $sessionsIT->attachIterator($sessionsHalls, "HALL");
+                $sessionsIT->attachIterator($sessionsStarts, "HOUR");
+
+                $count = 0;
+                $sessionsListHTML = '<select name="sessions" id="sessions">';
+                foreach ($sessionsIT as $value) {
+                    if($TODAY <= $value["DATE"]){
+                        if($value === reset($sessionsIT)){
+                            $sessionsListHTML .= '<option value="'.$value["sID"].'" >Fecha: '.$value["DATE"].' | Hora: '.$value["HOUR"].' | Sala: '.$value["HALL"].'</option>';
+                        } else {
+                            $sessionsListHTML .='<option value="'.$value["sID"].'">Fecha: '.$value["DATE"].' | Hora:'.$value["HOUR"].' | Sala: '.$value["HALL"].'</option>';
+                        }
+                        $count++;
+                    }
+                }
+                $sessionsListHTML .= '</select>';
+
+                if($count == 0) {
+                    $sessionsListHTML = '<select name="sessions"><option value="" selected>No hay sesiones disponibles para esta película.</option></select>'; 
+                    $pay = false;
+                }
+            } else {
+                $sessionsListHTML = '<select name="sessions"><option value="" selected>No hay sesiones disponibles para esta película.</option></select>';
+                $pay = false;
+            }
+
+            //$session_id = $value["sID"];
+            //$hall_id = $value["HALL"];
+            //$date_ = $value["DATE"];
+            //$hour_ = $value["HOUR"];
+
+            //Reply: Depends on whether the purchase is to be made from a selected movie or a cinema.
+            $reply = '<div class="column left">
+                        <h2>Película seleccionada: '.str_replace('_', ' ', $tittle).'</h2><hr />
+                        <div class="image"><img src="'.$prefix.'img/films/'.$tittle.'.jpg" alt="'.$tittle.'" /></div>
+                        <p>Duración: '.$film->getDuration().' minutos</p>
+                        <p>Idioma: '.$film->getLanguage().'</p>
+                    </div>
+                    <div class="column right">
+                        <h2>Seleccione un Cine y una Sesión</h2><hr />
+                            <h3>Cines</h3>        
+                            '.$cinemasListHTML.'
+                            <h3>Sesiones</h3>
+                            '.$sessionsListHTML.'
+                    </div>
+                        ';
+        } else {
+            $reply = '<h1>No existe la película.</h1>';
+            $pay = false;
+        }
+    } else if(isset($_GET["cinema"])) {
+        $reply = '<h1>ESTAMOS TRABAJANDO EN ELLO</h1>';
+        $pay = false;
+    } else {
+        $reply = '<h1>No se ha encontrado película ni cine.</h1>';
+        $pay = false;
+    }
+    
+
+    //Pay button:
+    if($pay){
+        $pay = '<input type="submit" id="submit" value="Pagar" />
+                </form>';
+    } else {
+        $pay = '</form>';
+    }
+    //Page-specific content:
+    $section = '<!-- Purchase -->
+        <section id="purchase">
+            <div class="row">
+                <section class="code purchase">
+                   '.$reply.'
+                </section>
+                <section class="code purchase">
+                   '.$pay.'
+                </section>
+            </div>
+        </section>
+        ';
+
+    //General page content:
+    require RAIZ_APP.'/HTMLtemplate.php';
+?>
diff --git a/purchase/includes/formSelectTicket.php b/purchase/includes/formSelectTicket.php
new file mode 100644
index 0000000..61f357c
--- /dev/null
+++ b/purchase/includes/formSelectTicket.php
@@ -0,0 +1,50 @@
+<?php
+include_once($prefix.'assets/php/form.php');
+include_once($prefix.'assets/php/includes/session_dao.php');
+include_once($prefix.'assets/php/includes/session.php');
+include_once($prefix.'assets/php/includes/film_dao.php');
+include_once($prefix.'assets/php/includes/film.php');
+include_once($prefix.'assets/php/includes/cinema_dao.php');
+include_once($prefix.'assets/php/includes/cinema.php');
+
+class FormSelectTicket extends Form {
+
+    public function __construct() {
+        parent::__construct('formSelectTicket');
+    }
+
+    protected function generaCamposFormulario($datos, $errores = array()){
+
+        // Se generan los mensajes de error si existen.
+        $htmlErroresGlobales = self::generaListaErroresGlobales($errores);
+        //$errorNombre = self::createMensajeError($errores, 'name', 'span', array('class' => 'error'));
+       
+        $html = "";
+
+        return $html;
+    }
+
+    protected function procesaFormulario($datos){
+        $result = array();
+        
+        //$nombre = $this->test_input($datos['name']) ?? null;
+        $nombre = $datos['name'] ?? null;
+        $nombre = strtolower($nombre);
+        if ( empty($nombre) || mb_strlen($nombre) < 3 || mb_strlen($nombre) > 15 ) {
+            $result['name'] = "El nombre tiene que tener\n una longitud de al menos\n 3 caracteres\n y menos de 15 caracteres.";
+        }
+        
+        //$password = $this->test_input($datos['pass']) ?? null;
+        $password = $datos['pass'] ?? null;
+        if ( empty($password) || mb_strlen($password) < 4 ) {
+            $result['pass'] = "El password tiene que tener\n una longitud de al menos\n 4 caracteres.";
+        }
+        
+        if (count($result) === 0) {
+           $result[] = "La compra aun está en desarrollo. Vuelva en unos días.";
+        }
+
+        return $result;
+    }
+}
+?>
\ No newline at end of file
diff --git a/purchase/index.php b/purchase/index.php
index 4ff77de..130002f 100644
--- a/purchase/index.php
+++ b/purchase/index.php
@@ -15,6 +15,7 @@
 
     $pay = true;
     $film = null;
+    $cinema = null;
     $cinemas = [];
     $sessions = [];
     if(isset($_GET["film"])){
@@ -24,6 +25,7 @@
             $tittle = $film->getTittle();
 
             $cinemas = $filmDAO->getCinemas($_GET["film"]);
+            $cinema_id = $_GET["cinema"];
             if(!empty($cinemas)){
                 $cinemasNames = new ArrayIterator(array());
                 $cinemasIDs = new ArrayIterator(array());
@@ -34,71 +36,79 @@
                 $cinemasIT = new MultipleIterator(MultipleIterator::MIT_KEYS_ASSOC);
                 $cinemasIT->attachIterator($cinemasIDs, "cID");
                 $cinemasIT->attachIterator($cinemasNames, "NAME");
-            
-                $cinemasListHTML = '<form action="confirm.php" method="post">
+                
+                $cinemasListHTML = '<form id="select_cinema">
                                     <select name="cinemas" id="cinemas">';
-                foreach($cinemasIT as $value){
-                    if($value == reset($cinemasIT)){
-                        $cinemasListHTML .= '<option value="'.$value["cID"].'" selected>'.$value["NAME"].'</option>';
-                    } else {
+                if(!isset($cinema_id)){
+                    $cinemasListHTML .= '<option value="" selected>Selecciona un cine</option>';
+                    foreach($cinemasIT as $value){
                         $cinemasListHTML .='<option value="'.$value["cID"].'">'.$value["NAME"].'</option>';
                     }
+                } else {
+                    foreach($cinemasIT as $value){
+                        if($value["cID"] == $cinema_id){
+                            $cinemasListHTML .= '<option value="'.$value["cID"].'" selected>'.$value["NAME"].'</option>';
+                        } else {
+                            $cinemasListHTML .='<option value="'.$value["cID"].'">'.$value["NAME"].'</option>';
+                        }
+                    }
                 }
-                $cinemasListHTML .= '</select>';
+                $cinemasListHTML .= '</select>
+                            </form>';
             } else {
                 $cinemasListHTML = '<select name="cinemas"><option value="" selected>No hay cines disponibles para esta película.</option></select></form>';
             }
 
             $fiml_id = $film->getId();
-            $cinema_id = $value["cID"];
 
-            $sessionsDAO = new SessionDAO("complucine");
-            $sessions = $sessionsDAO->getSessions_Film_Cinema($fiml_id, $cinema_id);
-            if(!empty($sessions)){
-                $sessionsDates = new ArrayIterator(array());
-                $sessionsStarts = new ArrayIterator(array());
-                $sessionsHalls = new ArrayIterator(array());
-                $sessionsIDs = new ArrayIterator(array());
-                foreach($sessions as $key=>$value){
-                    $sessionsIDs[$key] = $value->getId();
-                    $sessionsDates[$key] = date_format(date_create($value->getDate()), 'j-n-Y');
-                    $sessionsHalls[$key] = $value->getIdhall();
-                    $sessionsStarts[$key] = $value->getStartTime();
-                }
-                $sessionsIT = new MultipleIterator(MultipleIterator::MIT_KEYS_ASSOC);
-                $sessionsIT->attachIterator($sessionsIDs, "sID");
-                $sessionsIT->attachIterator($sessionsDates, "DATE");
-                $sessionsIT->attachIterator($sessionsHalls, "HALL");
-                $sessionsIT->attachIterator($sessionsStarts, "HOUR");
-
-                $count = 0;
-                $sessionsListHTML = '<select name="sessions" id="sessions">';
-                foreach ($sessionsIT as $value) {
-                    if($TODAY <= $value["DATE"]){
-                        if($value === reset($sessionsIT)){
-                            $sessionsListHTML .= '<option value="'.$value["sID"].'" >Fecha: '.$value["DATE"].' | Hora: '.$value["HOUR"].' | Sala: '.$value["HALL"].'</option>';
-                        } else {
-                            $sessionsListHTML .='<option value="'.$value["sID"].'">Fecha: '.$value["DATE"].' | Hora:'.$value["HOUR"].' | Sala: '.$value["HALL"].'</option>';
-                        }
-                        $count++;
+            if(isset($cinema_id)){
+                $sessionsDAO = new SessionDAO("complucine");
+                $sessions = $sessionsDAO->getSessions_Film_Cinema($fiml_id, $cinema_id);
+                if(!empty($sessions)){
+                    $sessionsDates = new ArrayIterator(array());
+                    $sessionsStarts = new ArrayIterator(array());
+                    $sessionsHalls = new ArrayIterator(array());
+                    $sessionsIDs = new ArrayIterator(array());
+                    foreach($sessions as $key=>$value){
+                        $sessionsIDs[$key] = $value->getId();
+                        $sessionsDates[$key] = date_format(date_create($value->getDate()), 'j-n-Y');
+                        $sessionsHalls[$key] = $value->getIdhall();
+                        $sessionsStarts[$key] = $value->getStartTime();
                     }
-                }
-                $sessionsListHTML .= '</select>';
+                    $sessionsIT = new MultipleIterator(MultipleIterator::MIT_KEYS_ASSOC);
+                    $sessionsIT->attachIterator($sessionsIDs, "sID");
+                    $sessionsIT->attachIterator($sessionsDates, "DATE");
+                    $sessionsIT->attachIterator($sessionsHalls, "HALL");
+                    $sessionsIT->attachIterator($sessionsStarts, "HOUR");
 
-                if($count == 0) {
-                    $sessionsListHTML = '<select name="sessions"><option value="" selected>No hay sesiones disponibles para esta película.</option></select>'; 
+                    $count = 0;
+                    $sessionsListHTML = '<form id="select_session" action="confirm.php" method="post">
+                                            <select name="sessions" id="sessions">';
+                    foreach ($sessionsIT as $value) {
+                        if($TODAY <= $value["DATE"]){
+                            if($value === reset($sessionsIT)){
+                                $sessionsListHTML .= '<option value="'.$value["sID"].'" >Fecha: '.$value["DATE"].' | Hora: '.$value["HOUR"].' | Sala: '.$value["HALL"].'</option>';
+                            } else {
+                                $sessionsListHTML .='<option value="'.$value["sID"].'">Fecha: '.$value["DATE"].' | Hora:'.$value["HOUR"].' | Sala: '.$value["HALL"].'</option>';
+                            }
+                            $count++;
+                        }
+                    }
+                    $sessionsListHTML .= '</select>';
+
+                    if($count == 0) {
+                        $sessionsListHTML = '<form><select name="sessions"><option value="" selected>No hay sesiones disponibles para esta película.</option></select></form>'; 
+                        $pay = false;
+                    }
+                } else {
+                    $sessionsListHTML = '<form><select name="sessions"><option value="" selected>No hay sesiones disponibles para esta película.</option></select></form>';
                     $pay = false;
                 }
             } else {
-                $sessionsListHTML = '<select name="sessions"><option value="" selected>No hay sesiones disponibles para esta película.</option></select>';
+                $sessionsListHTML = '<form><select name="sessions"><option value="" selected>Seleccione primero un cine.</option></select></form>';
                 $pay = false;
             }
 
-            //$session_id = $value["sID"];
-            //$hall_id = $value["HALL"];
-            //$date_ = $value["DATE"];
-            //$hour_ = $value["HOUR"];
-
             //Reply: Depends on whether the purchase is to be made from a selected movie or a cinema.
             $reply = '<div class="column left">
                         <h2>Película seleccionada: '.str_replace('_', ' ', $tittle).'</h2><hr />
@@ -126,14 +136,12 @@
         $pay = false;
     }
     
-
     //Pay button:
     if($pay){
         $pay = '<input type="submit" id="submit" value="Pagar" />
-                </form>';
-    } else {
-        $pay = '</form>';
+                            </form>';
     }
+
     //Page-specific content:
     $section = '<!-- Purchase -->
         <section id="purchase">