i need to hide form field on on change in magento admin. I need to know that how can i show hide field with his labels in magento admin form my form
$fieldset->addField('style_content', 'select', array(
'label' => Mage::helper('magazine')->__('Select available Slider Styles'),
'name' => 'style_content',
'values' => array(
array(
'value' => 'Yes',
'label' => Mage::helper('magazine')->__('Yes'),
),
array(
'value' => 'No',
'label' => Mage::helper('magazine')->__('No'),
),
),
'onchange' => 'onchangeStyleShow()',
));