Get all attribute from attribute group in Magento

<?php

function printGroupAttributes($groupId) {

    $attributesCollection = Mage::getResourceModel('catalog/product_attribute_collection');

        $attributesCollection->setAttributeGroupFilter($groupId);

        foreach ($attributesCollection as $attribute) {

           echo "<tr><td>".$attribute->getFrontendLabel()."&nbsp;&nbsp;</td><td> ".$attribute->getAttributeCode()."</td></tr>";

        }

}

$attributeGroupId = 25; // Fill with yours

printGroupAttributes($attributeGroupId);

?>