if (window.top != window.self)
{window.top.location = window.location;}


function reveal(menu)
{

if (document.layers) 
{clearNN4()
document.layers[menu].visibility = "show";}

else if (document.all)
{clearIE();
document.all(menu).style.visibility = "visible";}

else if (document.getElementById)
{clearNN6()
document.getElementById(menu).style.visibility = "visible";
}

}

function clearNN6()
{
node = document.getElementById('biog').style.visibility='hidden'
node = document.getElementById('pics').style.visibility='hidden'
node = document.getElementById('misc').style.visibility='hidden'
node = document.getElementById('inter').style.visibility='hidden'
node = document.getElementById('quiz').style.visibility='hidden'
node = document.getElementById('links').style.visibility='hidden'
}

function clearNN4()
{
document.layers.biog.visibility = "hide";
document.layers.pics.visibility = "hide";
document.layers.misc.visibility = "hide";
document.layers.inter.visibility = "hide";
document.layers.quiz.visibility = "hide";
document.layers.links.visibility = "hide";
}

function clearIE()
{
document.all.biog.style.visibility = "hidden";
document.all.pics.style.visibility = "hidden";
document.all.misc.style.visibility = "hidden";
document.all.inter.style.visibility = "hidden";
document.all.quiz.style.visibility = "hidden";
document.all.links.style.visibility = "hidden";
}