// By default, no menu images are loaded...
zeroNav = false;
servicesNav = false;
services_dircollNav = false;
<link rel="shortcut icon" href="imgs/favicon.ico">
// Load the primary menu images...
function loadNavZero() {
	if (document.images) {
		homeOff = new Image(); homeOff.src = 'imgs/nav/home_off.gif';
		aboutusOff = new Image(); aboutusOff.src = 'imgs/nav/aboutus_off.gif';
		servicesOff = new Image(); servicesOff.src = 'imgs/nav/services_off.gif';
		clientaccsOff = new Image(); clientaccsOff.src = 'imgs/nav/clientaccs_off.gif';
		careersOff = new Image(); careersOff.src = 'imgs/nav/careers_off.gif';
		contactOff = new Image(); contactOff.src = 'imgs/nav/contact_off.gif';
		newsOff = new Image(); newsOff.src = 'imgs/nav/news_off.gif';
		paybillOff = new Image(); paybillOff.src = 'imgs/nav/paybill_off.gif';
		
		homeOver = new Image(); homeOver.src = 'imgs/nav/home_over.gif';
		aboutusOver = new Image(); aboutusOver.src = 'imgs/nav/aboutus_over.gif';
		servicesOver = new Image(); servicesOver.src = 'imgs/nav/services_over.gif';
		clientaccsOver = new Image(); clientaccsOver.src = 'imgs/nav/clientaccs_over.gif';
		careersOver = new Image(); careersOver.src = 'imgs/nav/careers_over.gif';
		contactOver = new Image(); contactOver.src = 'imgs/nav/contact_over.gif';
		newsOver = new Image(); newsOver.src = 'imgs/nav/news_over.gif';
		paybillOver = new Image(); paybillOver.src = 'imgs/nav/paybill_over.gif';
		
		homeOn = new Image(); homeOn.src = 'imgs/nav/home_on.gif';
		aboutusOn = new Image(); aboutusOn.src = 'imgs/nav/aboutus_on.gif';
		servicesOn = new Image(); servicesOn.src = 'imgs/nav/services_on.gif';
		clientaccsOn = new Image(); clientaccsOn.src = 'imgs/nav/clientaccs_on.gif';
		careersOn = new Image(); careersOn.src = 'imgs/nav/careers_on.gif';
		contactOn = new Image(); contactOn.src = 'imgs/nav/contact_on.gif';
		newsOn = new Image(); newsOn.src = 'imgs/nav/news_on.gif';
		paybillOn = new Image(); paybillOn.src = 'imgs/nav/paybill_on.gif';
		
		zeroNav = true;
	}
}

// Load the submenu images for the Services section...
// *** NOTE: Copies of this function need to be made for any other sub-section (like About Us, or Client Access, etc) ***
function loadNavServices() {
	if (document.images) {
		services_attnnetOff = new Image(); services_attnnetOff.src = 'imgs/nav/services_attnnet_off.gif';
		services_fininvOff = new Image(); services_fininvOff.src = 'imgs/nav/services_fininv_off.gif';
		services_precollOff = new Image(); services_precollOff.src = 'imgs/nav/services_precoll_off.gif';
		services_dircollOff = new Image(); services_dircollOff.src = 'imgs/nav/services_dircoll_off.gif';
		
		services_attnnetOver = new Image(); services_attnnetOver.src = 'imgs/nav/services_attnnet_over.gif';
		services_fininvOver = new Image(); services_fininvOver.src = 'imgs/nav/services_fininv_over.gif';
		services_precollOver = new Image(); services_precollOver.src = 'imgs/nav/services_precoll_over.gif';
		services_dircollOver = new Image(); services_dircollOver.src = 'imgs/nav/services_dircoll_over.gif';
		
		services_attnnetOn = new Image(); services_attnnetOn.src = 'imgs/nav/services_attnnet_on.gif';
		services_fininvOn = new Image(); services_fininvOn.src = 'imgs/nav/services_fininv_on.gif';
		services_precollOn = new Image(); services_precollOn.src = 'imgs/nav/services_precoll_on.gif';
		services_dircollOn = new Image(); services_dircollOn.src = 'imgs/nav/services_dircoll_on.gif';
		
		servicesNav = true;
	}
}

// Load the sub-submenu images for the Services: Direct Collection section...
// *** NOTE: Copies of this function need to be made for any other sub-sub-section (like Services: Pre Collection, About Us: History, etc) ***
function loadNavServicesDirColl() {
	if (document.images) {
		services_dircoll_conOff = new Image(); services_dircoll_conOff.src = 'imgs/nav/services_dircoll_con_off.gif';
		services_dircoll_comOff = new Image(); services_dircoll_comOff.src = 'imgs/nav/services_dircoll_com_off.gif';
		services_dircoll_govOff = new Image(); services_dircoll_govOff.src = 'imgs/nav/services_dircoll_gov_off.gif';
		services_dircoll_heaOff = new Image(); services_dircoll_heaOff.src = 'imgs/nav/services_dircoll_hea_off.gif';
		services_dircoll_eduOff = new Image(); services_dircoll_eduOff.src = 'imgs/nav/services_dircoll_edu_off.gif';
		
		services_dircoll_conOver = new Image(); services_dircoll_conOver.src = 'imgs/nav/services_dircoll_con_over.gif';
		services_dircoll_comOver = new Image(); services_dircoll_comOver.src = 'imgs/nav/services_dircoll_com_over.gif';
		services_dircoll_govOver = new Image(); services_dircoll_govOver.src = 'imgs/nav/services_dircoll_gov_over.gif';
		services_dircoll_heaOver = new Image(); services_dircoll_heaOver.src = 'imgs/nav/services_dircoll_hea_over.gif';
		services_dircoll_eduOver = new Image(); services_dircoll_eduOver.src = 'imgs/nav/services_dircoll_edu_over.gif';
		
		services_dircoll_conOn = new Image(); services_dircoll_conOn.src = 'imgs/nav/services_dircoll_con_on.gif';
		services_dircoll_comOn = new Image(); services_dircoll_comOn.src = 'imgs/nav/services_dircoll_com_on.gif';
		services_dircoll_govOn = new Image(); services_dircoll_govOn.src = 'imgs/nav/services_dircoll_gov_on.gif';
		services_dircoll_heaOn = new Image(); services_dircoll_heaOn.src = 'imgs/nav/services_dircoll_hea_on.gif';
		services_dircoll_eduOn = new Image(); services_dircoll_eduOn.src = 'imgs/nav/services_dircoll_edu_on.gif';
		
		services_dircollNav = true;
	}
}

// Toggle any menu images on or off...
// *** NOTE: parent checks to see which set of menu images have been pre-loaded from the functions above (if none loaded, this function doesn't run) ***
function imgToggle(parentNav, imgName,imgState) {
	if (document.images && eval(parentNav + 'Nav')) {
		docImgName = imgName + 'Img';
		document[docImgName].src = eval(imgName + imgState + '.src');
	}
}

// Show the text for each logo, when the logo is moused over (and hide when the logo is moused out)...
function showLogoText(logoName,toggle) {
	if (document.getElementById) {
		myLogoID = logoName + 'LogoText';
		document.getElementById(myLogoID).style.display = (toggle) ? 'block' : 'none';
	}
}




// *** START: Functions for validating form data types. ***
// Does the value contain something?...
function isFilled(val) {
	if (val == '' || val == null) return false;
	return true;
}

// Does the value contain integers only?...
function isInt(val) {
	if (!isFilled(val)) return false;
	for (i = 0; i < val.length; i++) {
		if (val.charAt(i) < '0' || val.charAt(i) > '9') return false;
	}
	return true;
}

// Does the value contain a type of number?...
function isNumber(val) {
	if (!isFilled(val)) return false;
	for (i = 0; i < val.length; i++) {
		if (val.charAt(i) != '0' && val.charAt(i) != '1' && val.charAt(i) != '2' && val.charAt(i) != '3' && val.charAt(i) != '4' && val.charAt(i) != '5' && val.charAt(i) != '6' && val.charAt(i) != '7' && val.charAt(i) != '8' && val.charAt(i) != '9' && val.charAt(i) != '.' && val.charAt(i) != ',') return false;
	}
	return true;
}

// Is the value an e-mail address?...
function isEmail(val) {
	if (isFilled(val) // is not empty
		&& val.indexOf('@') > 0 // has an ambersand
		&& val.indexOf('.',val.indexOf('@')) > val.indexOf('@') + 2 // has a period after a three characters (allows: a@b.)
		&& val.substring(val.indexOf('.'),val.length).length > 2 // has at least two characters after the last period (for the TLD)
		) return true;
	else return false;
}

// Is the value a valid URL (begins with http://)?...
function isURL(val) {
	if (isFilled(val) // is not empty
		&& val.indexOf('http://') == 0 // has http:// at the beginning...
		) return true;
	else return false;
}

// Is at least one of a selection of radio or checkboxes checked?...
function isChecked(elm) {
	elmChecked = 0;
	for (i = 0; i < elm.length; i++) {
		if (elm[i].checked) elmChecked++;
	}
	if (elmChecked != 0) return true;
	else return false;
}

// Is a select box item selected?...
// nonFirst determines if we also want to make sure that the first item is not selected...
function isSelected(elm,nonFirst) {
	if (isFilled(elm.options[elm.selectedIndex].value)) {
		// If the value of the selected item is not empty...
		if (nonFirst && elm.selectedIndex == 0) {
			// If they want to check that the first item isn't selected,
			// and it is, then false...
			return false;
		} else {
			// If the selected item is not empty, and we don't care about the first item...
			return true;
		}
	} else {
		// If the value of the selected item is empty...
		return false;
	}
}

// *** END: Functions for validating form data types. ***



function clearErrorStyle(elmID) {
	if (document.getElementById) {
		document.getElementById(elmID).style.backgroundColor = '#fff';
	}
}