window.addEvent('domready', function()
{
	// Hides specification and shows description
	$('tab_desc').addEvent('click', function()
	{
   		$('desc').show();
		$('spec').dispose();
	});
	// Hides description and shows specification
	$('tab_spec').addEvent('click', function()
	{
   		$('spec').show();
		$('desc').dispose();
	});
});