// JavaScript Document

function show1()
{
document.getElementById("drop1").style.visibility="visible"
}
function hide1()
{
document.getElementById("drop1").style.visibility="hidden"
}

// 2nd submenu
function show2()
{
document.getElementById("drop2").style.visibility="visible"
}
function hide2()
{
document.getElementById("drop2").style.visibility="hidden"
}


// 3nd submenu
function show3()
{
document.getElementById("drop3").style.visibility="visible"
}
function hide3()
{
document.getElementById("drop3").style.visibility="hidden"
}

// 4nd submenu
function show4()
{
document.getElementById("drop4").style.visibility="visible"
}
function hide4()
{
document.getElementById("drop4").style.visibility="hidden"
}