function hideLayer(whichLayer) {
if (document.getElementById) {
// this is the way the standards work
document.getElementById(whichLayer).style.visibility = "hidden";
}
else if (document.all) {
// this is the way old msie versions work
document.all[whichlayer].style.visibility = "hidden";
}
else if (document.layers) {
// this is the way nn4 works
document.layers[whichLayer].visibility = "hidden";
}
}

function showLayer(whichLayer) {
if (document.getElementById) {
// this is the way the standards work
document.getElementById(whichLayer).style.visibility = "visible";
}
else if (document.all) {
// this is the way old msie versions work
document.all[whichlayer].style.visibility = "visible";
}
else if (document.layers) {
// this is the way nn4 works
document.layers[whichLayer].visibility = "visible";
}
}

function handleClick(whichClick) {

if (whichClick == "hide it") {
// then the user wants to hide the layer
hideLayer("boxthing");

}
else if (whichClick == "show it") {
// then the user wants to show the layer
showLayer("boxthing");
}

}
function handleClick2(whichClick) {

if (whichClick == "hide") {
// then the user wants to hide the layer
hideLayer("boxthing2");

}
else if (whichClick == "show") {
// then the user wants to show the layer
showLayer("boxthing2");
}

}

function handleClick3(whichClick) {

if (whichClick == "hide") {
// then the user wants to hide the layer
hideLayer("boxthing3");

}
else if (whichClick == "show") {
// then the user wants to show the layer
showLayer("boxthing3");
}

}
function handleClick4(whichClick) {

if (whichClick == "hide") {
// then the user wants to hide the layer
hideLayer("boxthing4");

}
else if (whichClick == "show") {
// then the user wants to show the layer
showLayer("boxthing4");
}

}
function handleClick5(whichClick) {

if (whichClick == "hide") {
// then the user wants to hide the layer
hideLayer("boxthing5");

}
else if (whichClick == "show") {
// then the user wants to show the layer
showLayer("boxthing5");
}

}
function handleClick6(whichClick) {

if (whichClick == "hide") {
// then the user wants to hide the layer
hideLayer("boxthing6");

}
else if (whichClick == "show") {
// then the user wants to show the layer
showLayer("boxthing6");
}

}