function mShowCatDesc(sId){
  var o = oInfoWindows[sId];
  o.style.display = 'block';
  oActInfoWindow = o;
}

var hideStatusCounter = 0;
var showStatusCounter = 0;

function mHideCatDesc(sId){
  if(!isMoved)
    return;
  var o = oInfoWindows[sId];
  if(oActInfoWindow != null && oActInfoWindow == o){
    o.style.display = 'none';
    oActInfoWindow = null;
  }
}

function mFolloweMouse(){
  if(oActInfoWindow != null && isMoved){
    oActInfoWindow.style.top = (tempY + 2) + 'px';
    oActInfoWindow.style.left = (tempX + 2) + 'px';
  }
}

// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var isIE = document.all?true:false

// If NS -- that is, !IE -- then set up for mouse capture
// if (!isIE) document.captureEvents(Event.MOUSEMOVE)

// Set-up to use getMouseXY function onMouseMove
// document.onmousemove = getMouseXY;

// Temporary variables to hold mouse x-y pos.s
var tempX = 0;
var tempY = 0;
var isMoved = false;
var oActInfoWindow = null;

// Main function to retrieve mouse x-y pos.s

function getMouseXY(e) {
  var oldX = tempX;
  var oldY = tempY;
  if (isIE) { // grab the x-y pos.s if browser is IE
    tempX = event.clientX + document.body.scrollLeft
    tempY = event.clientY + document.body.scrollTop
  } else {  // grab the x-y pos.s if browser is NS
    tempX = e.pageX
    tempY = e.pageY
  }  
  // catch possible negative values in NS4
  if (tempX < 0){tempX = 0}
  if (tempY < 0){tempY = 0}
  
  isMoved = (tempX != oldX || tempY != oldY);
  
  return true
}