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) {
		BodyHeader_v3_BodyHeaderEnterToWin_over = newImage("images/body/BodyHeader_v3-BodyHeaderEnterToWin_over.gif");
		BodyHeader_v3_BodyHeaderTheContestRules_over = newImage("images/body/BodyHeader_v3-BodyHeaderTheContestRules_over.gif");
		BodyHeader_v3_BodyHeaderContactBloorview_over = newImage("images/body/BodyHeader_v3-BodyHeaderContactBloorview_over.gif");
		BodyHeader_v3_BodyHeaderJoinOurMailingList_over = newImage("images/body/BodyHeader_v3-BodyHeaderJoinOurMailingList_over.gif");
		BodyHeaderDonateButton_over = newImage("images/body/BodyHeaderDonateButton-over.gif");
		BodyMainLogo_BodyMainLogos_RFP_over = newImage("images/body/BodyMainLogo-BodyMainLogos_RFP_over.gif");
		BodyNavTop_BodyNavTopAboutBloorview_over = newImage("images/body/BodyNavTop-BodyNavTopAboutBloorview_over.gif");
		BodyNavTop_BodyNavTopStrategicPlan_over = newImage("images/body/BodyNavTop-BodyNavTopStrategicPlan_over.gif");
		BodyNavTop_BodyNavTopStoriesOfInspiration_over = newImage("images/body/BodyNavTop-BodyNavTopStoriesOfInspiration_over.gif");
		BodyBloorviewDidYouKnow_over = newImage("images/body/BodyBloorviewDidYouKnow_v2-over.gif");
		BodyBuyCalendarButton_over = newImage("images/body/BodyBuyCalendarButton-over.gif");
		BodyMainBKFLogo_BodyMainLogos_BKF_over = newImage("images/body/BodyMainBKFLogo-BodyMainLogos_BKF_over.gif");
		BodyMainSponsorLogos_BodyMainLogos_PresentingSponsor_RBC_over = newImage("images/body/BodyMainSponsorLogos-BodyMainLogos_PresentingSponsor_RBC_over.gif");
		BodyMainSponsorLogos_BodyMainLogo_Sponsor_Cisco_over = newImage("images/body/BodyMainSponsorLogos-BodyMainLogo_Sponsor_Cisco_over.gif");
		BodyNavBottom_BodyNavBottomCalendar_over = newImage("images/body/BodyNavBottom-BodyNavBottomCalendar_over.gif");
		BodyNavBottom_BodyNavBottomDinner_over = newImage("images/body/BodyNavBottom-BodyNavBottomDinner_over.gif");
		BodyNavBottom_BodyNavBottomCoChairMessage_over = newImage("images/body/BodyNavBottom-BodyNavBottomCoChairMessage_over.gif");
		BodyNavBottom_BodyNavBottomSponsorsContributors_over = newImage("images/body/BodyNavBottom-BodyNavBottomSponsorsContributors_over.gif");
		BodyNavBottom_BodyNavBottomFacebook_over = newImage("images/body/BodyNavBottom-BodyNavBottomFacebook_over.gif");
		BodyNavBottom_BodyNavBottomTwitter_over = newImage("images/body/BodyNavBottom-BodyNavBottomTwitter_over.gif");
		BodyNavBottom_BodyNavBottomPressRoom_over = newImage("images/body/BodyNavBottom-BodyNavBottomPressRoom_over.gif");
		preloadFlag = true;
	}
}