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];
			}
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		header_01_newsletter_over = newImage("images/header_01-newsletter_over.png");
		header_02_about_over = newImage("images/header_02-about_over.png");
		header_02_newsletter_over = newImage("images/header_02-newsletter_over.png");
		header_02_home_over = newImage("images/header_02-home_over.png");
		header_02_contact_over = newImage("images/header_02-contact_over.png");
		header_03_about_over = newImage("images/header_03-about_over.png");
		header_03_newsletter_over = newImage("images/header_03-newsletter_over.png");
		header_03_home_over = newImage("images/header_03-home_over.png");
		header_03_contact_over = newImage("images/header_03-contact_over.png");
		header_04_about_over = newImage("images/header_04-about_over.png");
		header_04_newsletter_over = newImage("images/header_04-newsletter_over.png");
		header_04_home_over = newImage("images/header_04-home_over.png");
		header_04_contact_over = newImage("images/header_04-contact_over.png");
		header_05_about_over = newImage("images/header_05-about_over.png");
		header_05_newsletter_over = newImage("images/header_05-newsletter_over.png");
		header_06_newsletter_over = newImage("images/header_06-newsletter_over.png");
		header_07_home_over = newImage("images/header_07-home_over.png");
		header_07_contact_over = newImage("images/header_07-contact_over.png");
		header_08_about_over = newImage("images/header_08-about_over.png");
		header_08_newsletter_over = newImage("images/header_08-newsletter_over.png");
		header_08_home_over = newImage("images/header_08-home_over.png");
		header_08_contact_over = newImage("images/header_08-contact_over.png");
		header_09_about_over = newImage("images/header_09-about_over.png");
		header_09_newsletter_over = newImage("images/header_09-newsletter_over.png");
		header_09_home_over = newImage("images/header_09-home_over.png");
		header_09_contact_over = newImage("images/header_09-contact_over.png");
		header_10_about_over = newImage("images/header_10-about_over.png");
		header_10_newsletter_over = newImage("images/header_10-newsletter_over.png");
		header_10_home_over = newImage("images/header_10-home_over.png");
		header_10_contact_over = newImage("images/header_10-contact_over.png");
		menu_about_over = newImage("images/menu-about_over.png");
		menu_photos_over = newImage("images/menu-photos_over.png");
		menu_faqs_over = newImage("images/menu-faqs_over.png");
		menu_events_over = newImage("images/menu-events_over.png");
		menu_links_over = newImage("images/menu-links_over.png");
		menu_party_over = newImage("images/menu-party_over.png");
		header_12_about_over = newImage("images/header_12-about_over.png");
		header_12_newsletter_over = newImage("images/header_12-newsletter_over.png");
		header_12_home_over = newImage("images/header_12-home_over.png");
		header_12_contact_over = newImage("images/header_12-contact_over.png");
		preloadFlag = true;
	}
}