function showhidemenu(name)
{
	if (name == 'brands')
	{
		document.getElementById('categories').style.visibility = 'hidden';
		document.getElementById('categories').style.display = 'none';
		document.getElementById('brands').style.visibility = 'visible';
		document.getElementById('brands').style.display = 'block';
		document.getElementById('cattop').style.visibility = 'visible';
		document.getElementById('cattop').style.display = 'block';
		document.getElementById('brandtop').style.visibility = 'hidden';
		document.getElementById('brandtop').style.display = 'none';
	}
	else
	{
		document.getElementById('categories').style.visibility = 'visible';
		document.getElementById('categories').style.display = 'block';
		document.getElementById('brands').style.visibility = 'hidden';
		document.getElementById('brands').style.display = 'none';
		document.getElementById('cattop').style.visibility = 'hidden';
		document.getElementById('cattop').style.display = 'none';
		document.getElementById('brandtop').style.visibility = 'visible';
		document.getElementById('brandtop').style.display = 'block';
	}
}