<!--
function toggleLayer(whichLayer) {
if (document.getElementById) {
var style2 = document.getElementById(whichLayer).style;
style2.display = style2.display? "":"block"; }

else if (document.all) {
var style2 = document.all[whichLayer].style;
style2.display = style2.display? "":"block"; }

else if (document.layers) {
var style2 = document.layers[whichLayer].style;
style2.display = style2.display? "":"block"; } }
//-->