function go()
{
	box = document.forms[0].navi;
	destination = box.options[box.selectedIndex].value;
	if (destination) location.href = destination;
}

function h_go()
{
	box = document.forms[0].h_navi;
	destination = box.options[box.selectedIndex].value;
	if (destination) location.href = destination;
}

function n_go()
{
	box = document.forms[0].n_navi;
	destination = box.options[box.selectedIndex].value;
	if (destination) location.href = destination;
}

function m_go()
{
	box = document.forms[0].m_navi;
	destination = box.options[box.selectedIndex].value;
	if (destination) location.href = destination;
}