function go()
{
	if (f.username.value == 'dp' && f.p.value == 'dp')
	{
		/* alert('Access granted') */
		window.location.href='dp/dp_index.htm'
	}
	else if (f.username.value == 'hh' && f.p.value == 'hh')
	{
		/* alert('Access granted') */
		window.location.href='hh/hh_index.htm'
	}
	else if (f.username.value == 'core' && f.p.value == 'core')
	{
		/* alert('Access granted') */
		window.location.href='cores/cores_index.htm'
	}
	else if (f.username.value == '' && f.p.value == '')
	{
		alert ('You must enter a Login and Password!')
	}

	else alert ('Access denied'),log.style.visibility='hidden'
}