var NS4 = (document.layers) ? 1 : 0;
var IE4 = ((document.all) && (!document.getElementById)) ? 1 : 0;
var IE5 = ((document.all) && (!document.fireEvent) && (!window.opera)) ? 1 : 0;
var DOM = (document.getElementById) ? 1 : 0;  // ns6+ and ie5+ and mozilla
var NS6 = ((!document.all) && (document.getElementById)) ? 1 : 0;  // ns6+ and mozilla, not ie6
var IE = (navigator.appName == "Microsoft Internet Explorer") ? 1 : 0;
var PC = (navigator.platform == "Win32") ? 1 : 0;
var MAC = ((navigator.appVersion.indexOf("PPC") >0) || (navigator.appVersion.indexOf("Mac") >0)) ? 1 : 0;

var ff = new Object();

//Layer switch functions using the display property
function layerSwitchDisplay(theDivs, divId) {
// Layer switching functions
  for (var i = 0; i < theDivs.length; i++) {
    if (theDivs[i] == divId) {
      showLayerDisplay(theDivs[i]);
    }
    else {
      hideLayerDisplay(theDivs[i]);
    }
  }
}
function hideLayerDisplay(whichEl) {
  document.getElementById(whichEl).style.display = "none";
}
function showLayerDisplay(whichEl) {
  document.getElementById(whichEl).style.display = "";
}

/*************************************************************************
  This code is from Dynamic Web Coding at http://www.dyn-web.com/
  Copyright 2001-3 by Sharon Paine 
  See Terms of Use at http://www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/

// resize fix for ns4
var origWidth, origHeight;
if (document.layers) {
	origWidth = window.innerWidth; origHeight = window.innerHeight;
	window.onresize = function() { if (window.innerWidth != origWidth || window.innerHeight != origHeight) history.go(0); }
}

var cur_lyr;	// holds id of currently visible layer
function swapLayers(id) {
  if (cur_lyr) hideLayer(cur_lyr);
  showLayer(id);
  cur_lyr = id;
}

function showLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.visibility = "visible";
}

function hideLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.visibility = "hidden";
}

function getElemRefs(id) {
	var el = (document.getElementById)? document.getElementById(id): (document.all)? document.all[id]: (document.layers)? getLyrRef(id,document): null;
	if (el) el.css = (el.style)? el.style: el;
	return el;
}

// get reference to nested layer for ns4
// from old dhtmllib.js by Mike Hall of www.brainjar.com
function getLyrRef(lyr,doc) {
	if (document.layers) {
		var theLyr;
		for (var i=0; i<doc.layers.length; i++) {
	  	theLyr = doc.layers[i];
			if (theLyr.name == lyr) return theLyr;
			else if (theLyr.document.layers.length > 0) 
	    	if ((theLyr = getLyrRef(lyr,theLyr.document)) != null)
					return theLyr;
	  }
		return null;
  }
}
function dowebadminpopup( url, width, height, scrollbars, resizable, toolbar, menubar, location, status )
	{
		var win = window.open( url, "_blank", "toolbar=" + ((toolbar) ? 1 : 0) + ",resizable=" + ((!resizable) ? 1 : 0) + ",scrollbars=" + ((scrollbars) ? 1 : 0) + ",height=" + height + ",width=" + width + ",menubar=" + ((menubar) ? 1 : 0) + ",location=" + ((location) ? 1 : 0) + ",status=" + ((status) ? 1 : 0) + "" );
		win.focus();
	}