var load = "no";

if (document.images) {
	navDonate = new Image();
	navDonate.src = "images/navDonate.gif";
	navDonateOn = new Image();
	navDonateOn.src = "images/navDonateOn.gif";
	navAbout = new Image();
	navAbout.src = "images/navAbout.gif";
	navAboutOn = new Image();
	navAboutOn.src = "images/navAboutOn.gif";
	navCf = new Image();
	navCf.src = "images/navCf.gif";
	navCfOn = new Image();
	navCfOn.src = "images/navCfOn.gif";
	navNews = new Image();
	navNews.src = "images/navNews.gif";
	navNewsOn = new Image();
	navNewsOn.src = "images/navNewsOn.gif";
	navStore = new Image();
	navStore.src = "images/navStore.gif";
	navStoreOn = new Image();
	navStoreOn.src = "images/navStoreOn.gif";
	navEvents = new Image();
	navEvents.src = "images/navEvents.gif";
	navEventsOn = new Image();
	navEventsOn.src = "images/navEventsOn.gif";

	navCopy = new Image();
	navCopy.src = "images/navCopy.gif";
	navCopyOn = new Image();
	navCopyOn.src = "images/navCopyOn.gif";
	navDisclaimer = new Image();
	navDisclaimer.src = "images/navDisclaimer.gif";
	navDisclaimerOn = new Image();
	navDisclaimerOn.src = "images/navDisclaimerOn.gif";
	navContact = new Image();
	navContact.src = "images/navContact.gif";
	navContactOn = new Image();
	navContactOn.src = "images/navContactOn.gif";
	navPrivacy = new Image();
	navPrivacy.src = "images/navPrivacy.gif";
	navPrivacyOn = new Image();
	navPrivacyOn.src = "images/navPrivacyOn.gif";

	load = "yes";
}

function imageOn(theimg) {
	if (load == "yes") {
		if (document.images) {
			document[theimg].src = eval(theimg + "On.src");
		}
	}
}

function imageOff(theimg) {
	if (load == "yes") {
		if (document.images) {
			document[theimg].src = eval(theimg + ".src");
		}
	}
}

function bar(theimg, which) {
	if (document.getElementById) {
		document.getElementById(theimg + "Bar").className = which;
	}
}

function navOn(theimg, which) {
	imageOn(theimg);
	bar(theimg, which);
}

function navOff(theimg, which) {
	imageOff(theimg);
	bar(theimg, which);
}

function newsUpdateValid() {
	f = document.update;
	if (f.fname.value == "" || f.lname.value == "" || f.address.value == "" || f.city.value == "" || f.state.value == "" || f.zip.value == "" || f.email.value == "") {
		error = "Please fill in all the required fields.";
		alert (error);
		return false;
	}

	if (checkEmail(f.email.value) == false) {
		error = "Please correct your email address.";
		alert (error);
		return false;
	}
}

function checkEmail(thing) {
	if (thing.indexOf("@") < 0 || thing.indexOf("@") > thing.indexOf(".")) {
		return false;
	}
}