function toggle(whichLayer)
{
if (document.getElementById)
{
// this is the way the standards work
var style2 = document.getElementById(whichLayer).style;
style2.display = style2.display? "":"block";
}
else if (document.all)
{
// this is the way old msie versions work
var style2 = document.all[whichLayer].style;
style2.display = style2.display? "":"block";
}
else if (document.layers)
{
// this is the way nn4 works
var style2 = document.layers[whichLayer].style;
style2.display = style2.display? "":"block";
}
}


function show(whichLayer,linklayer)
{
if (document.getElementById)
{
// this is the way the standards work
var style2 = document.getElementById(whichLayer).style;
style2.display = "block";
document.getElementById(linklayer).className="selected";
}
else if (document.all)
{
// this is the way old msie versions work
var style2 = document.all[whichLayer].style;
style2.display = "block";
document.all[linklayer].className="selected";
}
else if (document.layers)
{
// this is the way nn4 works
var style2 = document.layers[whichLayer].style;
style2.display = "block";
document.layers[linklayer].className="selected";
}
}


function hide(whichLayer,linklayer)
{
if (document.getElementById)
{
// this is the way the standards work
var style2 = document.getElementById(whichLayer).style;
document.getElementById(whichLayer).className="hide";
document.getElementById(linklayer).className="section";
style2.display = "";
}
else if (document.all)
{
// this is the way old msie versions work
var style2 = document.all[whichLayer].style;
document.all[whichLayer].className="hide";
style2.display = "";
document.all[linklayer].className="section";
}
else if (document.layers)
{
// this is the way nn4 works
var style2 = document.layers[whichLayer].style;
document.layers[whichLayer].className="hide";
document.layers[linklayer].className="section";
style2.display = "";
}
}