// Determine browser.

var isMinNS4 = (navigator.appName.indexOf("Netscape") >= 0 &&
                parseFloat(navigator.appVersion) >= 4) ? 1 : 0;
var isMinIE4 = (document.all) ? 1 : 0;
var isMinIE5 = (isMinIE4 && navigator.appVersion.indexOf("5.")) >= 0 ? 1 : 0;

// Layer positioning.
//-----------------------------------------------------------------------------

function moveLayerTo(layer, x, y) {

  if (isMinNS4)
    layer.moveTo(x, y);
  if (isMinIE4) {
    layer.style.left = x;
    layer.style.top  = y;
  }
}
function getPageLeft(layer) {

  var y;

  if (isMinNS4)
    return(layer.pageX);
  if (isMinIE4) {
    x = 0;
    while (layer.offsetParent != null) {
      x += layer.offsetLeft;
      layer = layer.offsetParent;
    }
    x += layer.offsetLeft;
    return(x);
  }
  return(-1);
}

function getPageTop(layer) {

  var y;

  if (isMinNS4)
    return(layer.pageY);
  if (isMinIE4) {
    y = 0;
    while (layer.offsetParent != null) {
      y += layer.offsetTop;
      layer = layer.offsetParent;
    }
    y += layer.offsetTop;
    return(y);
  }
  return(-1);
}
//utilities
function getLayer(name) {

  if (isMinNS4)
    return findLayer(name, document);
  if (isMinIE4)
    return eval('document.all.' + name);

  return null;
}

function findLayer(name, doc) {

  var i, layer;

  for (i = 0; i < doc.layers.length; i++) {
    layer = doc.layers[i];
    if (layer.name == name)
      return layer;
    if (layer.document.layers.length > 0) {
      layer = findLayer(name, layer.document);
      if (layer != null)
        return layer;
    }
  }

  return null;
}

function getx(layer)
{
var mylay, myx;
	mylay = getLayer(layer);
	myx = getPageLeft(mylay);
	return (myx)
}
function gety(layer)
{
var mylay, myy;
	mylay = getLayer(layer);
	myy = getPageTop(mylay);
	return (myy)
}