diff --git a/includes/engelsystem_provider.php b/includes/engelsystem_provider.php
index 029c1788..84383bba 100644
--- a/includes/engelsystem_provider.php
+++ b/includes/engelsystem_provider.php
@@ -5,6 +5,7 @@
 require_once realpath(__DIR__ . '/../includes/mysqli_provider.php');
 
 require_once realpath(__DIR__ . '/../includes/sys_auth.php');
+require_once realpath(__DIR__ . '/../includes/sys_form.php');
 require_once realpath(__DIR__ . '/../includes/sys_log.php');
 require_once realpath(__DIR__ . '/../includes/sys_menu.php');
 require_once realpath(__DIR__ . '/../includes/sys_page.php');
diff --git a/includes/sys_form.php b/includes/sys_form.php
new file mode 100644
index 00000000..960be401
--- /dev/null
+++ b/includes/sys_form.php
@@ -0,0 +1,256 @@
+<?php
+// Methods to build a html form.
+
+/**
+ * Renders a hidden input
+ *
+ * @param string $name
+ *          Name of the input
+ * @param string $value
+ *          The value
+ * @return string rendered html
+ */
+function form_hidden($name, $value) {
+  return '<input type="hidden" name="' . $name . '" value="' . $value . '" />';
+}
+
+/**
+ * Rendert ein Zahlenfeld mit Buttons zum verstellen
+ */
+function form_spinner($name, $label, $value) {
+  return form_element($label, '
+      <div class="input-group">
+        <input id="spinner-' . $name . '" class="form-control" type="text" name="' . $name . '" value="' . $value . '" />
+        <div class="input-group-btn">
+          <button id="spinner-' . $name . '-down" class="btn btn-default" type="button">
+            <span class="glyphicon glyphicon-minus"></span>
+          </button>
+          <button id="spinner-' . $name . '-up" class="btn btn-default" type="button">
+            <span class="glyphicon glyphicon-plus"></span>
+          </button>
+        </div>
+      </div>
+      <script type="text/javascript">
+        $("#spinner-' . $name . '-down").click(function(e) {
+          $("#spinner-' . $name . '").val(parseInt($("#spinner-' . $name . '").val()) - 1);
+        });
+        $("#spinner-' . $name . '-up").click(function(e) {
+          $("#spinner-' . $name . '").val(parseInt($("#spinner-' . $name . '").val()) + 1);
+        });
+      </script>
+      ');
+}
+
+/**
+ * Render a bootstrap datepicker
+ *
+ * @param string $name
+ *          Name of the parameter
+ * @param string $label
+ *          Label
+ * @param int $value
+ *          Unix Timestamp
+ * @param int $min_date
+ *          Earliest possible date
+ * @return HTML
+ */
+function form_date($name, $label, $value, $start_date = '', $end_date = '') {
+  $dom_id = $name . '-date';
+  $value = is_numeric($value) ? date('Y-m-d', $value) : '';
+  $start_date = is_numeric($start_date) ? date('Y-m-d', $start_date) : '';
+  $end_date = is_numeric($end_date) ? date('Y-m-d', $end_date) : '';
+  return form_element($label, '
+    <div class="input-group date" id="' . $dom_id . '">
+      <input type="text" name="' . $name . '" class="form-control" value="' . $value . '"><span class="input-group-addon">' . glyph('th') . '</span>
+    </div>
+    <script type="text/javascript">
+			$(function(){
+        $("#' . $dom_id . '").datepicker({
+				  language: "' . locale_short() . '",
+          todayBtn: "linked",
+          format: "yyyy-mm-dd",
+          startDate: "' . $start_date . '",
+          endDate: "' . $end_date . '"
+			  });
+      });
+    </script>
+    ', $dom_id);
+}
+
+/**
+ * Rendert eine Liste von Checkboxen für ein Formular
+ *
+ * @param
+ *          name Die Namen der Checkboxen werden aus name_key gebildet
+ * @param
+ *          label Die Beschriftung der Liste
+ * @param
+ *          items Array mit den einzelnen Checkboxen
+ * @param
+ *          selected Array mit den Keys, die ausgewählt sind
+ */
+function form_checkboxes($name, $label, $items, $selected) {
+  $html = form_element($label, '');
+  foreach ($items as $key => $item) {
+    $html .= form_checkbox($name . '_' . $key, $item, array_search($key, $selected) !== false);
+  }
+  return $html;
+}
+
+/**
+ * Rendert eine Tabelle von Checkboxen für ein Formular
+ *
+ * @param
+ *          names Assoziatives Array mit Namen der Checkboxen als Keys und Überschriften als Values
+ * @param
+ *          label Die Beschriftung der gesamten Tabelle
+ * @param
+ *          items Array mit den Beschriftungen der Zeilen
+ * @param
+ *          selected Mehrdimensionales Array, wobei $selected[foo] ein Array der in der Datenreihe foo markierten Checkboxen ist
+ * @param
+ *          disabled Wie selected, nur dass die entsprechenden Checkboxen deaktiviert statt markiert sind
+ */
+function form_multi_checkboxes($names, $label, $items, $selected, $disabled = []) {
+  $html = "<table><thead><tr>";
+  foreach ($names as $title) {
+    $html .= "<th>$title</th>";
+  }
+  $html .= "</tr></thead><tbody>";
+  foreach ($items as $key => $item) {
+    $html .= "<tr>";
+    foreach ($names as $name => $title) {
+      $dom_id = $name . '_' . $key;
+      $sel = array_search($key, $selected[$name]) !== false ? ' checked="checked"' : "";
+      if (! empty($disabled) && ! empty($disabled[$name]) && array_search($key, $disabled[$name]) !== false) {
+        $sel .= ' disabled="disabled"';
+      }
+      $html .= '<td style="text-align: center;"><input type="checkbox" id="' . $dom_id . '" name="' . $name . '[]" value="' . $key . '"' . $sel . ' /></td>';
+    }
+    $html .= '<td><label for="' . $dom_id . '">' . $item . '</label></td></tr>';
+  }
+  $html .= "</tbody></table>";
+  return form_element($label, $html);
+}
+
+/**
+ * Rendert eine Checkbox
+ */
+function form_checkbox($name, $label, $selected, $value = 'checked') {
+  return '<div class="checkbox"><label><input type="checkbox" id="' . $name . '" name="' . $name . '" value="' . $value . '"' . ($selected ? ' checked="checked"' : '') . ' /> ' . $label . '</label></div>';
+}
+
+/**
+ * Rendert einen Radio
+ */
+function form_radio($name, $label, $selected, $value) {
+  return '<div class="radio"><label><input type="radio" id="' . $name . '" name="' . $name . '" value="' . $value . '"' . ($selected ? ' checked="checked"' : '') . ' /> ' . $label . '</label></div>';
+}
+
+/**
+ * Rendert einen Infotext in das Formular
+ */
+function form_info($label, $text = "") {
+  if ($label == "") {
+    return '<span class="help-block">' . glyph('info-sign') . $text . '</span>';
+  }
+  if ($text == "") {
+    return '<h4>' . $label . '</h4>';
+  }
+  return form_element($label, '<p class="form-control-static">' . $text . '</p>', '');
+}
+
+/**
+ * Rendert den Absenden-Button eines Formulars
+ */
+function form_submit($name, $label) {
+  return form_element('<input class="btn btn-primary" type="submit" name="' . $name . '" value="' . $label . '" />', "");
+}
+
+/**
+ * Rendert ein Formular-Textfeld
+ */
+function form_text($name, $label, $value, $disabled = false) {
+  $disabled = $disabled ? ' disabled="disabled"' : '';
+  return form_element($label, '<input class="form-control" id="form_' . $name . '" type="text" name="' . $name . '" value="' . htmlspecialchars($value) . '" ' . $disabled . '/>', 'form_' . $name);
+}
+
+/**
+ * Rendert ein Formular-Emailfeld
+ */
+function form_email($name, $label, $value, $disabled = false) {
+  $disabled = $disabled ? ' disabled="disabled"' : '';
+  return form_element($label, '<input class="form-control" id="form_' . $name . '" type="email" name="' . $name . '" value="' . htmlspecialchars($value) . '" ' . $disabled . '/>', 'form_' . $name);
+}
+
+/**
+ * Rendert ein Formular-Dateifeld
+ */
+function form_file($name, $label) {
+  return form_element($label, '<input id="form_' . $name . '" type="file" name="' . $name . '" />', 'form_' . $name);
+}
+
+/**
+ * Rendert ein Formular-Passwortfeld
+ */
+function form_password($name, $label, $disabled = false) {
+  $disabled = $disabled ? ' disabled="disabled"' : '';
+  return form_element($label, '<input class="form-control" id="form_' . $name . '" type="password" name="' . $name . '" value="" ' . $disabled . '/>', 'form_' . $name);
+}
+
+/**
+ * Rendert ein Formular-Textfeld
+ */
+function form_textarea($name, $label, $value, $disabled = false) {
+  $disabled = $disabled ? ' disabled="disabled"' : '';
+  return form_element($label, '<textarea rows="5" class="form-control" id="form_' . $name . '" type="text" name="' . $name . '" ' . $disabled . '>' . $value . '</textarea>', 'form_' . $name);
+}
+
+/**
+ * Rendert ein Formular-Auswahlfeld
+ */
+function form_select($name, $label, $values, $selected) {
+  return form_element($label, html_select_key('form_' . $name, $name, $values, $selected), 'form_' . $name);
+}
+
+/**
+ * Rendert ein Formular-Element
+ */
+function form_element($label, $input, $for = "") {
+  if ($label == '') {
+    return '<div class="form-group">' . $input . '</div>';
+  }
+  
+  return '<div class="form-group">' . '<label for="' . $for . '">' . $label . '</label>' . $input . '</div>';
+}
+
+/**
+ * Rendert ein Formular
+ */
+function form($elements, $action = "") {
+  return '<form role="form" action="' . $action . '" enctype="multipart/form-data" method="post">' . join($elements) . '</form>';
+}
+
+function html_options($name, $options, $selected = "") {
+  $html = "";
+  foreach ($options as $value => $label) {
+    $html .= '<input type="radio"' . ($value == $selected ? ' checked="checked"' : '') . ' name="' . $name . '" value="' . $value . '"> ' . $label;
+  }
+  
+  return $html;
+}
+
+function html_select_key($dom_id, $name, $rows, $selected) {
+  $html = '<select class="form-control" id="' . $dom_id . '" name="' . $name . '">';
+  foreach ($rows as $key => $row) {
+    if (($key == $selected) || ($row == $selected)) {
+      $html .= '<option value="' . $key . '" selected="selected">' . $row . '</option>';
+    } else {
+      $html .= '<option value="' . $key . '">' . $row . '</option>';
+    }
+  }
+  $html .= '</select>';
+  return $html;
+}
+
+?>
\ No newline at end of file