var isDHTML = 0;
var isID = 0;
var isAll = 0;
var isLayers = 0;


if (document.getElementById) {isID = 1; isDHTML = 1;}
else {
if (document.all) {isAll = 1; isDHTML = 1;}
else {
browserVersion = parseInt(navigator.appVersion);
if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {isLayers = 1; isDHTML = 1;}
}}

function findDOM(objectID,withStyle) {
  if (withStyle == 1) {
      if (isID) { return (document.getElementById(objectID).style) ; }
      else { 
          if (isAll) { return (document.all[objectID].style); }
      else {
          if (isLayers) { return (document.layers[objectID]); }
      };}
  }
  else {
      if (isID) { return (document.getElementById(objectID)) ; }
      else { 
          if (isAll) { return (document.all[objectID]); }
      else {
          if (isLayers) { return (document.layers[objectID]); }
      };}
  }
}

function ASAP_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.ASP_pgW=innerWidth; document.ASAP_pgH=innerHeight; onresize=ASAP_reloadPage; }}
  else if (innerWidth!=document.ASAP_pgW || innerHeight!=document.ASAP_pgH) location.reload();
}
ASAP_reloadPage(true);

var prevObjectID = null;
var prevLayer = 0;            


function setLayer(objectID,layerNum) {
  var dom = findDOM(objectID,1);
  dom.zIndex = layerNum;
}

function findLayer(objectID) {
  var dom = findDOM(objectID,1);
  if (dom.zIndex != null)
      return dom.zIndex;
  return (null);
}

function swapLayer(objectID) {
 if (prevObjectID != null) 
  setLayer(prevObjectID,prevLayer);
 prevLayer = findLayer(objectID);
 prevObjectID = objectID;
 setLayer(objectID,1000);
}