Tweaks to DownloadView.php, a=chris

<?php
/**
 *  SeekQuarry/Yioop --
 *  Open Source Pure PHP Search Engine, Crawler, and Indexer
 *
 *  Copyright (C) 2009 - 2014  Chris Pollett chris@pollett.org
 *
 *  LICENSE:
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  END LICENSE
 *
 * @author Chris Pollett chris@pollett.org
 * @package seek_quarry
 * @subpackage view
 * @license http://www.gnu.org/licenses/ GPL3
 * @link http://www.seekquarry.com/
 * @copyright 2009 - 2014
 * @filesource
 */
namespace seekquarry\yioop\views;

use seekquarry\yioop as B;
use seekquarry\yioop\configs as C;

/**
 * This View is responsible for drawing the download
 * information request form for the Seek Quarry app
 *
 * @author Chris Pollett
 * @package seek_quarry
 * @subpackage view
 */

class DownloadView extends View
{
    /** This view is drawn on a web layout
     *  @var string
     */
    var $layout = "web";
    /**
     *  Draws the download yioop web page.
     *
     *  @param array $data  contains the anti CSRF token YIOOP_TOKEN
     *  the view
     */
    function renderView($data)
    {
        $logo = C\BASE_URL . C\LOGO;
        ?>
        <div  class="download">
        <h1 class="logo"><a href="<?=C\BASE_URL ?>"><img
        src="<?= $logo ?>"
            alt="SeekQuarry" /></a><span> - <?= tl('download_view_form')
            ?></span></h1>
        <form  method="post" action="<?=C\BASE_URL
            ?>" onsubmit="return checkFields();">
        <input type="hidden" name="YIOOP_TOKEN" value="<?=
            $data['YIOOP_TOKEN'] ?>" />
        <input type="hidden" name="a" value="download" />
        <input type="hidden" name="arg" value="step1" />
        <input type="hidden" name="version" value="<?= $data['version']?>" />
        <table>
        <tr><td colspan="2"><?= tl('download_view_thank_you') ?></td></tr>
        <tr>
        <th class="table-label" ><label for="full-name"><?=
            tl('download_view_full_name') ?></label>:</th>
            <td class="table-input"><input id="full-name" type="text"
                class="narrowfield" maxlength="80" name="full_name"/>
        </td></tr>
        <tr>
        <th class="table-label" ><label for="e-mail"><?=
            tl('download_view_email') ?></label>:</th>
            <td class="table-input"><input id="e-mail" type="text"
            class="narrowfield" maxlength="80" name="e_mail" /></td>
        <tr>
        <th class="table-label" ><label for="business-id"><?=
            tl('download_view_business') ?></label>:</th>
            <td class="table-input"><input id="business-id" type="text"
            class="narrowfield" maxlength="80" name="business" /></td>
        </tr>
        <tr>
        <th class="table-label" colspan="2"><label for="yioop-use"><?=
            tl('download_view_interest') ?></label></th>
        </tr>
        <tr><td colspan="2">
        <textarea class="shorttextarea" name="interest" ></textarea></td>
        </tr>
        <tr><td colspan="2" class="center">
        <button  type="submit" name="c" value="main"><?=
            tl('download_view_get_email') ?></button>
        </td></tr>
        </table>
        </form>
        <div class="center"><a href="<?=
            B\wikiUrl('Downloads', false, 'static') ?>"><?=
        tl('download_view_return_main') ?></a></div>
        </div>
        <script type="text/javascript" />
        function checkFields()
        {
            var full_name = elt('full-name');
            var email = elt('e-mail');
            var email_regex =
            /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
            var email_good = email_regex.test(email.value);
            if(full_name.value == "" && !email_good) {
                full_name.style.backgroundColor = 'red';
                email.style.backgroundColor = 'red';
                doMessage('<h1 class="red"><?=
                    tl("download_view_required_fields") ?></h1>');
                return false;
            } else if(full_name.value == "") {
                full_name.style.backgroundColor = 'red';
                doMessage('<h1 class="red"><?=
                    tl("download_view_name_required") ?></h1>');
                return false;
            } else if(!email_good) {
                email.style.backgroundColor = 'red';
                doMessage('<h1 class="red"><?=
                    tl("download_view_valid_email") ?></h1>');
                return false;
            }
            return true;
        }
        </script>
        <?php
    }
}