function go1()
{
	box = document.forms[0].navi1;
	destination = box.options[box.selectedIndex].value;
	if (destination) location.href = destination;
}
function go2()
{
	box = document.forms[0].navi2;
	destination = box.options[box.selectedIndex].value;
	if (destination) location.href = destination;
}
function go3()
{
	box = document.forms[0].navi3;
	destination = box.options[box.selectedIndex].value;
	if (destination) location.href = destination;
}