/*
var state = 'none';

function showhide(layer_ref) {

if (state == 'block') {
state = 'none';
}
else {
state = 'block';
}
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById && !document.all) {
maxwell_smart = document.getElementById(layer_ref);
maxwell_smart.style.display = state;
}
}
*/

// hide / toggle
function change(id){
ID = document.getElementById(id);
    
if(ID.style.display == "")
ID.style.display = "none";
else
ID.style.display = "";
}

// tooltip
var ToolTip = null;
	
function ShowTT (id) {
	ToolTip = document.getElementById(id);
	ToolTip.style.display='block';		
	return (true);
}
function HideTT () {
	ToolTip.style.display='none';
	ToolTip = null;
	return (true);
}