function togglayer(id, NNtype, IEtype, WC3type) {
if (document.getElementById) 
{
eval("document.getElementById(id).style.visibility = \"" + WC3type + "\"");
} 
else 
{
if (document.layers) 
{
document.layers[id].visibility = NNtype;
} else 
{
if (document.all) 
{
eval("document.all." + id + ".style.visibility = \"" + IEtype + "\"");
}}}}

function swappic(imgslot,pic)
{
document.imgslot.src=pic
}