function hideLayer(whichLayer) {
if (document.getElementById) {
document.getElementById(whichLayer).style.display = "none";
}
else if (document.all) {
document.all[whichlayer].style.display = "none";
}
else if (document.layers) {
document.layers[whichLayer].display = "none";
}
}
function showLayer(whichLayer) {
if (document.getElementById) {
document.getElementById(whichLayer).style.display = "";
}
else if (document.all) {
document.all[whichlayer].style.display = "";
}
else if (document.layers) {
document.layers[whichLayer].display = "";
}
}
function handleClick(whichClick, div) {
if (whichClick == "close") {
hideLayer(div);
}
else if (whichClick == "open") {
showLayer(div);
}
}