issue 1325 (hidden->display:none), thanks Anthony

VERSION

@@ -1 +1 @@
-Version 2.4.1-alpha.2+timestamp.2013.02.11.00.26.09
+Version 2.4.1-alpha.2+timestamp.2013.02.13.08.34.56

gluon/html.py

@@ -2051,7 +2051,7 @@ class FORM(DIV):
         if hasattr(self, 'formname') and self.formname:
             c.append(INPUT(_type='hidden', _name='_formname',
                      _value=self.formname))
-        return DIV(c, _class="hidden")
+        return DIV(c, _style="display:none;")
 
     def xml(self):
         newform = FORM(*self.components, **self.attributes)

gluon/sqlhtml.py

@@ -460,8 +460,10 @@ class CheckboxesWidget(OptionsWidget):
 
         if opts:
             opts.append(
-                INPUT(_class="hidden", requires=attr.get('requires', None),
-                      _disabled="disabled", _name=field.name,
+                INPUT(requires=attr.get('requires', None),
+                      _style="display:none;", 
+                      _disabled="disabled", 
+                      _name=field.name,
                       hideerror=False))
         return parent(*opts, **attr)
 
@@ -1713,7 +1715,7 @@ class SQLFORM(FORM):
                 )
         )
         return CAT(
-            DIV(_id=panel_id, _class='hidden', *criteria), fadd)
+            DIV(_id=panel_id, _style="display:none;", *criteria), fadd)
 
     @staticmethod
     def grid(query,