//	document.layer for NS4
//	document.getElementById for IE5 & NS6
//	document.all && !(document.getElementById) for IE4

function changein(id) {
        if (document.layers) document.layers[id].visibility = "show"
        else if (document.getElementById) document.getElementById(id).style.visibility = "visible"
        else if (document.all && !(document.getElementById)) document.all(id).style.visibility = "visible"
}

function changeout(id) {
        if (document.layers) document.layers[id].visibility = "hide"
        else if (document.getElementById) document.getElementById(id).style.visibility = "hidden"
        else if (document.all && !(document.getElementById)) document.all(id).style.visibility = "hidden"
}

function nothing(){
}

function clear_all() {
    changeout('linkpage2') 
    changeout('linkpage5') 
    changeout('secondary')
    changeout('elementary')
    changeout('visiting')
    changeout('studentlife')
    changeout('lifeafter')
}

function clear_menu() {
    t_menu = setTimeout('clear_all()', 1000)
}


function clear_all_2() { 
    changeout('linkpage2_2')  
    changeout('linkpage2_5')

}

function clear_menu_2() {
    t_menu_2 = setTimeout('clear_all_2()', 1000)
}

function clear_all_3() { 
    changeout('linkpage3_2')  
    changeout('linkpage3_5')
    changeout('secondary_3')
    changeout('elementary_3')
    changeout('visiting_3')
    changeout('studentlife_3')
    changeout('lifeafter_3')

}

function clear_menu_3() {
    t_menu_3 = setTimeout('clear_all_3()', 1000)
}
function change_in_out_3(id) {

    if (id == 'linkpage3_2')
        changein('linkpage3_2')
    else
        changeout('linkpage3_2')

    if (id == 'linkpage3_5')
        changein('linkpage3_5')
    else
        changeout('linkpage3_5')

    if (id == 'secondary_3')
        changein('secondary_3')
    else
        changeout('secondary_3')

    if (id == 'elementary_3')
        changein('elementary_3')
    else
        changeout('elementary_3')

    if (id == 'lifeafter_3')
        changein('lifeafter_3')
    else
        changeout('lifeafter_3')

   if (id == 'visiting_3')
        changein('visiting_3')
    else
        changeout('visiting_3')

    if (id == 'studentlife_3')
        changein('studentlife_3')
    else
        changeout('studentlife_3')
}

function clear_all_4() { 
    changeout('linkpage4_2')  
    changeout('linkpage4_5')
    changeout('secondary_4')
    changeout('elementary_4')
    changeout('visiting_4')
    changeout('studentlife_4')
    changeout('lifeafter_4')

}
function change_in_out_4(id) {

    if (id == 'linkpage4_2')
        changein('linkpage4_2')
    else
        changeout('linkpage4_2')

    if (id == 'linkpage4_5')
        changein('linkpage4_5')
    else
        changeout('linkpage4_5')

    if (id == 'secondary_4')
        changein('secondary_4')
    else
        changeout('secondary_4')

    if (id == 'elementary_4')
        changein('elementary_4')
    else
        changeout('elementary_4')

    if (id == 'lifeafter_4')
        changein('lifeafter_4')
    else
        changeout('lifeafter_4')

   if (id == 'visiting_4')
        changein('visiting_4')
    else
        changeout('visiting_4')

    if (id == 'studentlife_4')
        changein('studentlife_4')
    else
        changeout('studentlife_4')
}

function clear_menu_4() {
    t_menu_4 = setTimeout('clear_all_4()', 1000)
}

function clear_all_menu() {
    clear_menu()
    clear_menu_2()
}

function clear_all_timeout() {
    clearTimeout(t_menu)
    clearTimeout(t_menu_2)
}

function change_in_out(id) {

    if (id == 'linkpage2')
        changein('linkpage2')
    else
        changeout('linkpage2')

    if (id == 'linkpage5')
        changein('linkpage5')
    else 
        changeout('linkpage5')

    if (id == 'linkpage2_2')
        changein('linkpage2_2')
    else
        changeout('linkpage2_2')

    if (id == 'linkpage2_5')
        changein('linkpage2_5')
    else
        changeout('linkpage2_5')

    if (id == 'elementary')
        changein('elementary')
    else
        changeout('elementary')

    if (id == 'secondary')
        changein(id)
    else
        changeout('secondary')

    if (id == 'visiting')
        changein(id)
    else
        changeout('visiting')

    if (id == 'studentlife')
        changein(id)
    else
        changeout('studentlife')

    if (id == 'lifeafter')
        changein(id)
    else
        changeout('lifeafter')
}

var t_menu
var t_menu_2
var t_menu_3
var t_menu_4