<!--
// Do we use DOM or not?
var dom = (document.getElementById && !document.all)? 1: 0;

function show_hide(the_id)
{
var obj = (dom)? document.getElementById(the_id): document.all[the_id];

if(obj.style.display == "block"){ // show
  obj.style.display = "none";
}
else { // hide
  obj.style.display = "block";
}
}


if (document.getElementById && document.createTextNode){canDOM=true}
function collapse(id){
if (canDOM && document.getElementById(id)){
elm=document.getElementById(id);
elm.style.display=elm.style.display=='none'||elm.style.display==''?'block':'none';
}
}
if (canDOM){
document.write('<style type="text/css">#info-panel{display:none;}</style>')
}

function toggleLayer(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";
}
}
//-->