var nn4 = (document.layers) ? true : false
var ie = (document.all) ? true : false
var dom = (document.getElementById && !document.all) ? true : false

if (document.layers) document.captureEvents(Event.MOUSEMOVE);
document.onmousemove=mtrack;

var posx = 0;
var posy = 0;

function mtrack(e) 
{
 if (!e) var e = window.event;
 if (e.pageX || e.pageY)
 {
  posx = e.pageX;
  posy = e.pageY;
 }
 else if (e.clientX || e.clientY)
 {
  posx = e.clientX + document.body.scrollLeft;
  posy = e.clientY + document.body.scrollTop;
 }
}

function expw(listID) 
{
 if (listID.style.display=="none") {listID.style.display="";}
 else {listID.style.display="none";}
 window.event.cancelBubble=true;
}
function contw(listID) 
{
 if (listID.style.display=="show") {listID.style.display="";}
 else {listID.style.display="none";}
 window.event.cancelBubble=true;
}

function showmenus(id)
{
  if(nn4) layer = document.layers[id]
  else if(ie) layer = document.all[id]
  else layer = document.getElementById(id)

  if(nn4) layer.visibility = "visible" 
  else layer.style.visibility = "visible"

  if(!ie)
  {
   if(!document.getElementById(id).style.left)
     document.getElementById(id).style.left = posx-70 + 'px';

   if(!document.getElementById(id).style.top)
     document.getElementById(id).style.top =  posy-10 + 'px';
     
   document.getElementById(id).style.background = 'lightyellow';
   document.getElementById(id).style.border = '1pt solid black';
  }
}

function hidemenus(id)
{
  if(nn4) layer = document.layers[id]
  else if(ie) layer = document.all[id]
  else layer = document.getElementById(id)
  if(nn4) layer.visibility = "hidden" 
  else layer.style.visibility = "hidden"
}