// JavaScript Document

function hide1()
{
document.getElementById('select1').style.display="none";
}
function show1()
{
document.getElementById('select1').style.display="block";
}

function show2()
{
document.getElementById('select2').style.display="block";
}
function hide2()
{
document.getElementById('select2').style.display="none";
}
function show3()
{
document.getElementById('select3').style.display="block";
}
function hide3()
{
document.getElementById('select3').style.display="none";
}