diff --git a/form.php b/form.php
index 081df3f..9955638 100644
--- a/form.php
+++ b/form.php
@@ -257,6 +257,16 @@ class form
     $this->method = strtolower ($method);
     $res = "";
     $res = "<form action='#' method='$method'";
+    // If a file field will be displayed, the form must have a
+    // enctype="multipart/form-data" parameter
+    foreach ($this->fields as $field)
+    {
+      if ($field->type === "file")
+      {
+        $res .= "enctype='multipart/form-data'";
+        break;
+      }
+    }
     if ($this->formName != "")
       $res .= " id='$this->formName'";
     $res .= " class='".$this->formClass."'>\n";
@@ -572,7 +582,7 @@ class formfield
     */
   public function hidden ($val)
   {
-    $this->type = !! $val;
+    $this->hidden = !! $val;
     return $this;
   }
 
@@ -1247,4 +1257,86 @@ class formfield
     $res .= "  </div>\n"; // End form-group
     return $res;
   }
+
+  /** Return the file defined */
+  public function fieldfile ()
+  {
+    $res = "";
+    // No $this->multiple, $this->titles, $this->rows, $this->cols
+    $res .= "<div class='form-group";
+    if (isset ($this->errors))
+      $res .= " has-".$this->errors[0];
+    $res .= "'>\n";
+    if ($this->label !== "")
+    {
+      $res .= "    <label class='col-sm-$this->titlewidth control-label' for='".
+              $this->formName."_";
+      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
+      if (isset ($this->hidden) && $this->hidden !== FALSE)
+        $res .= " style='display:none'";
+      $res .= ">";
+      $res .= htmlspecialchars ($this->label);
+      if (isset ($this->mandatory) && $this->mandatory !== FALSE)
+        $res .= " <span style='color:red'>*</span>";
+      else
+        $res .= " ";
+      $res .= "</label>\n";
+    }
+    $res .= "    <div class='col-sm-$this->fieldwidth'>\n";
+    if (isset ($this->defaults))
+    {
+      $res .= "    <label class='btn btn-default col-sm-$this->fieldwidth'>\n";
+      $res .= htmlspecialchars ($this->defaults, ENT_QUOTES);
+    }
+    $res .= "      <input type='file'";
+    $res .= " name='$this->formName"."[";
+    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."]";
+    if (isset ($this->multiple) && $this->multiple !== false)
+      $res .= "[]";
+    $res .= "'";
+    $res .= " id='$this->formName"."_";
+    $res .= htmlspecialchars ($this->name, ENT_QUOTES)."'";
+    if (isset ($this->values))
+      $res .= " value='".htmlspecialchars ($this->values,
+                                           ENT_QUOTES)."'";
+    else
+      $res .= " value='".htmlspecialchars ($this->defaults, ENT_QUOTES).
+              "'";
+    if (isset ($this->readonly) && $this->readonly !== FALSE)
+      $res .= " readonly='readonly'";
+    if (isset ($this->hidden) && $this->hidden !== FALSE)
+      $res .= " style='display:none'";
+    if (isset ($this->cols))
+      $res .= " size='".$this->cols."'";
+    if (isset ($this->maxlength))
+      $res .= " maxlength='".$this->maxlength."'";
+    if (isset ($this->errors) || isset ($this->help))
+    {
+      $res .= " aria-describedby='".$this->formName."_";
+      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'";
+    }
+    if (isset ($this->placeholder) && $this->placeholder !== FALSE)
+      $res .= " placeholder='".htmlentities ($this->placeholder, ENT_QUOTES).
+              "'";
+    if (isset ($this->multiple) && $this->multiple !== false)
+      $res .= " multiple='multiple'";
+    $res .= "/>\n";
+    if (isset ($this->defaults))
+      $res .= "    </label>\n"; // End labels
+    if (isset ($this->errors) || isset ($this->help))
+    {
+      $res .= "      <span class='help-block' id='$this->formName"."_";
+      $res .= htmlspecialchars ($this->name, ENT_QUOTES)."_help'>";
+      if (isset ($this->help))
+        $res .= "<span class='text-muted'>".$this->help."</span>";
+      if (isset ($this->help) && isset ($this->errors))
+        $res .= "<br/>";
+      if (isset ($this->errors)) $res .= $this->errors[1];
+      $res .= "</span>\n";
+    }
+
+    $res .= "    </div>\n"; // End controls
+    $res .= "  </div>\n"; // End form-group
+    return $res;
+  }
 }