function hideChild(obj) {
	var el = obj.childNodes[1];
	el.style.display != 'none' ? el.style.display = 'none' : el.style.display = '';
}

function showhide(obj)
{
	var el = document.getElementById(obj);
	if (el)
	{
		el.style.display != 'none' ? el.style.display = 'none' : el.style.display = '';
	}
}