userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
 if (document.images) {
  rslt = new Image();
  rslt.src = arg;
  return rslt;
 }
}

function findElement(n,ly) {
 if (browserVers < 4)		return document[n];
 var curDoc = ly ? ly.document : document;
 var elem = curDoc[n];
 if (!elem) {
  for (var i=0;i<curDoc.layers.length;i++) {
   elem = findElement(n,curDoc.layers[i]);
   if (elem) return elem;
  }
 }
 return elem;
}

function changeImages() {
 if (document.images && (preloadFlag == true)) {
  var img;
  for (var i=0; i<changeImages.arguments.length; i+=2) {
   img = null;
   if (document.layers) {
    img = findElement(changeImages.arguments[i],0);
   }
   else {
    img = document.images[changeImages.arguments[i]];
   }
   if (img) {
    img.src = changeImages.arguments[i+1];
   }
  }
 }
 
}
function chgImg(fieldName, imageLoc) {
	field = document.getElementById(fieldName);
	field.src = imageLoc;
	return true;
}

menuShowing = false;

function toggleMenu() {
	field = document.getElementById('menu-pulldown');
	if (menuShowing == false) {
		menuCount = 1;
		field.style.display = 'block';
		menuShowing = true;
	}
	else {
		menuCount = 0;
		field.style.display = 'none';
		menuShowing = false;
	}
	return true;
}

var preloadFlag = false;
function preloadImages() {
 if (document.images) {
  SUGARLOAF_FARM_over = newImage("images/SUGARLOAF-FARM-over.gif");
  PAINTING_GALLERY_over = newImage("images/PAINTING-GALLERY-over.gif");
  PROJECT_COSTING_over = newImage("images/PROJECT-COSTING-over.gif");
  LARGE_SCALE_PROJECTS_over = newImage("images/LARGE-SCALE-PROJECTS-over.gif");
  HOME_over = newImage("images/HOME-over.gif");
  HERITAGE_WORKS_over = newImage("images/HERITAGE-WORKS-over.gif");
  ABOUT_ME_over = newImage("images/ABOUT-ME-over.gif");
  STREETSCAPE_over = newImage("images/STREETSCAPE-over.gif");
  COMMERCIAL_DEVELOPMENT_over = newImage("images/COMMERCIAL-DEVELOPMENT-over.gif");
  CONTACT_ME_over = newImage("images/CONTACT-ME-over.gif");
  sugarloaf_over = newImage("images/menu/Sugarloaf_Over.gif");
  paintings_over = newImage("images/menu/Paintings_Over.gif");
  largeScale_over = newImage("images/menu/LargeScale_Over.gif");
  DesignServices_over = newImage("images/menu/DesignServices_Over.gif");
  LandscapeDesign_over = newImage("images/menu/LandscapeDesign_Over.gif");
  index_over = newImage("images/menu/Home_Over.gif");
  heritage_over = newImage("images/menu/Heritage_Over.gif");
  aboutMe_over = newImage("images/menu/AboutMe_Over.gif");
  streetscape_over = newImage("images/menu/Streetscape_Over.gif");
  commercial_over = newImage("images/menu/CommercialDevelopment_Over.gif");
  contactMe_over = newImage("images/menu/ContactMe_Over.gif");
 preloadFlag = true;
 }
}