diff --git a/core/c/typeopenany.php b/core/c/typeopenany.php
index 8274b6c..b0fa6a9 100755
--- a/core/c/typeopenany.php
+++ b/core/c/typeopenany.php
@@ -16,9 +16,10 @@ class TypeOpenAny extends FormAttributes implements IForm
         self::FORM_ATTRIBUTE_CLASS  => '',
         self::FORM_ATTRIBUTE_ANY    => '',
         self::FORM_ATTRIBUTE_HREF   => '',
-        'src'                       => '',
-        'alt'                       => '',
-        'style'                     => ''
+        self::FORM_ATTRIBUTE_SRC    => '',
+        self::FORM_ATTRIBUTE_ALT    => '',
+        'style'                     => '',
+        'data-sitekey'              => ''
     );
 
     /**
diff --git a/core/i/IForm.php b/core/i/IForm.php
index 29847dc..6be0274 100755
--- a/core/i/IForm.php
+++ b/core/i/IForm.php
@@ -33,6 +33,7 @@ interface IForm
     const FORM_ATTRIBUTE_ALT            = 'alt';
     const FORM_ATTRIBUTE_ID             = 'id';
     const FORM_ATTRIBUTE_CLASS          = 'class';
+    const FORM_ATTRIBUTE_MULTIPLE       = 'multiple';
     const FORM_ATTRIBUTE_FOR            = 'for';
     const FORM_ATTRIBUTE_FORM           = 'form';
     const FORM_ATTRIBUTE_PLACEHOLDER    = 'placeholder';
@@ -43,6 +44,7 @@ interface IForm
     const FORM_ATTRIBUTE_ONBLUR         = 'onblur';
     const FORM_ATTRIBUTE_ONFOCUS        = 'onfocus';
     const FORM_ATTRIBUTE_ONCLICK        = 'onclick';
+    const FORM_ATTRIBUTE_DATA           = 'data';
     const FORM_ATTRIBUTE_SELECTED       = 'selected';
     const FORM_ATTRIBUTE_CONTEXT        = 'context';
     const FORM_ATTRIBUTE_CHECKED        = 'checked';
@@ -55,6 +57,10 @@ interface IForm
     const FORM_ATTRIBUTE_TS_DECIMALS    = "data-bts-decimals";
     const FORM_ATTRIBUTE_TS_STEPS       = "data-bts-step";
 
+    const FROM_ATTRIBUTE_STYLE          = 'style';
+
+    const FORM_ATTRIBUTE_DATA_SITEKEY   = 'data-sitekey';
+
     /**
      * @desc loads the current Form element to the form
      * @param $attributes