var NEWLINE = "\n";


function validateContactForm(form) {
	var errors = "";
	if( form.recipient.options[0].selected) {		
		errors += "Please select a Region." + NEWLINE;
	}
	if (isBlank(form.Name.value)) {
		errors += "Please enter your name." + NEWLINE;
	}
	
	form.Region.value=form.recipient.value;

	if (isBlank(form.email.value)) {
		errors += "Please enter E-mail address." + NEWLINE;
	}
	else if (echeck(form.email.value)==false){
		errors += "Invalid Email format. Please correct the e-mail address." + NEWLINE;
	}
	if( form.Country.options[0].selected) {		
		errors += "Please select your country." + NEWLINE;
	}

	return checkErrors(errors);
}

function validateSupplierForm(form) {
	var errors = "";
	var country = "";

	if( form.recipient.options[0].selected) {		
		errors += "Please select a Region." + NEWLINE;
	}
	if (isBlank(form.company_name.value)) {
		errors += "Please enter your company name." + NEWLINE;
	}
	if (isBlank(form.first_name.value)) {
		errors += "Please enter your first name." + NEWLINE;
	}
	if (isBlank(form.last_name.value)) {
		errors += "Please enter your last name." + NEWLINE;
	}
	if (isBlank(form.title.value)) {
		errors += "Please enter your title." + NEWLINE;
	}
	if (isBlank(form.phone.value)) {
		errors += "Please enter your telephone number." + NEWLINE;
	}
	if (isBlank(form.email.value)) {
		errors += "Please enter your E-mail address." + NEWLINE;
	}
	else if (echeck(form.email.value)==false){
		errors += "Invalid Email format. Please correct the e-mail address." + NEWLINE;
	}
	if( form.business_type.options[0].selected) {		
		errors += "Please select your business type." + NEWLINE;
	}
	if( form.commodity_group.options[0].selected) {		
		errors += "Please select a commodity group." + NEWLINE;
	}

	form.Region.value=form.recipient.value;
	country = form.country.value;


	return checkErrors(errors);
}


function trim(inputString) {
	if (typeof inputString != "string") { return inputString; }
	var retValue = inputString;
	var ch = retValue.substring(0, 1);
	while (ch == " ") { 
		retValue = retValue.substring(1, retValue.length);
		ch = retValue.substring(0, 1);
	}
	ch = retValue.substring(retValue.length-1, retValue.length);
	while (ch == " ") { 
		retValue = retValue.substring(0, retValue.length-1);
		ch = retValue.substring(retValue.length-1, retValue.length);
	}
	while (retValue.indexOf("  ") != -1) { 
		retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length);
	}
	return retValue; 
}
 
function isBlank(field) {
	if (trim(field).length == 0) {
		return true;
	}
	return false
}

function checkErrors(errors) {
	if (errors.length > 0 ) {
		alert("Please correct the following errors and click the Submit button: " + "\n" + "\n" + errors);
		return false;
	} else {
		return true;
	}
}

function setCancel() {
	cancel = true;
}

function IsNumeric(strString) {
	//  check for valid numeric strings
	var strValidChars = "0123456789.-";
	var strChar;
	var blnResult = true;

	if (strString.length == 0) return false;

	//  test strString consists of valid characters listed above
	for (i = 0; i < strString.length && blnResult == true; i++) {
		strChar = strString.charAt(i);
		if (strValidChars.indexOf(strChar) == -1) {
			blnResult = false;
		}
	}
	return blnResult;
}

function echeck(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
		return false
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return false
	}
	if (str.indexOf(at,(lat+1))!=-1){
		return false
	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return false
	}
	if (str.indexOf(dot,(lat+2))==-1){
		return false
	}
	if (str.indexOf(" ")!=-1){
		return false
	}
	return true					
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}


function preloadImagesBase() {
	if (document.images) {
		lnav_about_over 		= newImage("/images/lnav_about-over.gif");
		lnav_customers_over 		= newImage("/images/lnav_customers-over.gif");
		lnav_products_over 		= newImage("/images/lnav_products-over.gif");
		lnav_technology_over 		= newImage("/images/lnav_technology-over.gif");
		lnav_suppliers_over 		= newImage("/images/lnav_suppliers-over.gif");
		lnav_careers_over 		= newImage("/images/lnav_careers-over.gif");
		lnav_media_over 		= newImage("/images/lnav_media-over.gif");
		lnav_investors_over 		= newImage("/images/lnav_investors-over.gif");
		lnav_contact_over 		= newImage("/images/lnav_contact-over.gif");
		lnav_contact_sub_over 		= newImage("/images/lnav_contact_sub-over.gif");
	}
}

function preloadImagesAbout() {
	if (document.images) {

		preloadImagesBase();

		lnav_about_company_over 	= newImage("/images/lnav_about_company-over.gif");
		lnav_about_env_over 		= newImage("/images/lnav_about_env-over.gif");
		lnav_about_leaders_over 	= newImage("/images/lnav_about_leaders-over.gif");
		lnav_about_locations_over 	= newImage("/images/lnav_about_locations-over.gif");
		lnav_about_mission_over 	= newImage("/images/lnav_about_mission-over.gif");
		lnav_about_over 		= newImage("/images/lnav_about-over.gif");
		lnav_about_sub_over 		= newImage("/images/lnav_about_sub-over.gif");
	}
}

function preloadImagesCustomers() {
	if (document.images) {

		preloadImagesBase();

		lnav_customers_awards_over 	= newImage("/images/lnav_customers_awards-over.gif");
		lnav_customers_bmw_over 	= newImage("/images/lnav_customers_bmw-over.gif");
		lnav_customers_fiat_over 	= newImage("/images/lnav_customers_fiat-over.gif");
		lnav_customers_ford_over 	= newImage("/images/lnav_customers_ford-over.gif");
		lnav_customers_honda_over 	= newImage("/images/lnav_customers_honda-over.gif");
		lnav_customers_kia_over 	= newImage("/images/lnav_customers_kia-over.gif");
		lnav_customers_mb_over 		= newImage("/images/lnav_customers_mb-over.gif");
		lnav_customers_nissan_over 	= newImage("/images/lnav_customers_nissan-over.gif");
		lnav_customers_over 		= newImage("/images/lnav_customers-over.gif");
		lnav_customers_proj_over 	= newImage("/images/lnav_customers_proj-over.gif");
		lnav_customers_sub_over 	= newImage("/images/lnav_customers_sub-over.gif");
		lnav_customers_vc70_over 	= newImage("/images/lnav_customers_vc70-over.gif");
		lnav_customers_volvo_over 	= newImage("/images/lnav_customers_volvo-over.gif");
	}
}

function preloadImagesProducts() {
	if (document.images) {

		preloadImagesBase();

		lnav_prod_assemblies_over 	= newImage("/images/lnav_prod_assemblies-over.gif");
		lnav_prod_body_over 		= newImage("/images/lnav_prod_body-over.gif");
		lnav_prod_classa_over 		= newImage("/images/lnav_prod_classa-over.gif");
		lnav_prod_complex_over 		= newImage("/images/lnav_prod_complex-over.gif");
		lnav_prod_crash_over 		= newImage("/images/lnav_prod_crash-over.gif");
		lnav_prod_frames_over 		= newImage("/images/lnav_prod_frames-over.gif");
		lnav_prod_lower_over 		= newImage("/images/lnav_prod_lower-over.gif");
		lnav_prod_over 			= newImage("/images/lnav_prod-over.gif");
		lnav_prod_stampings_over 	= newImage("/images/lnav_prod_stampings-over.gif");
		lnav_prod_stamp_lvf_over 	= newImage("/images/lnav_prod_stamp_lvf-over.gif");
		lnav_prod_subframes_over 	= newImage("/images/lnav_prod_subframes-over.gif");
		lnav_prod_suspension_over 	= newImage("/images/lnav_prod_suspension-over.gif");
		lnav_products_over 		= newImage("/images/lnav_products-over.gif");
	}
}

function preloadImagesTechnology() {
	if (document.images) {

		preloadImagesBase();

		lnav_tech_assembly_over 	= newImage("/images/lnav_tech_assembly-over.gif");
		lnav_tech_cae_over 		= newImage("/images/lnav_tech_cae-over.gif");
		lnav_tech_eng_over 		= newImage("/images/lnav_tech_eng-over.gif");
		lnav_tech_hydroform_over 	= newImage("/images/lnav_tech_hydroform-over.gif");
		lnav_tech_materials_over 	= newImage("/images/lnav_tech_materials-over.gif");
		lnav_technology_over 		= newImage("/images/lnav_technology-over.gif");
		lnav_tech_over 			= newImage("/images/lnav_tech-over.gif");
		lnav_tech_pm_over 		= newImage("/images/lnav_tech_pm-over.gif");
		lnav_tech_process_over 		= newImage("/images/lnav_tech_process-over.gif");
		lnav_tech_proto_over 		= newImage("/images/lnav_tech_proto-over.gif");
		lnav_tech_pt_over 		= newImage("/images/lnav_tech_pt-over.gif");
		lnav_tech_sim_over 		= newImage("/images/lnav_tech_sim-over.gif");
		lnav_tech_testing_over 		= newImage("/images/lnav_tech_testing-over.gif");
		lnav_tech_tooldie_over 		= newImage("/images/lnav_tech_tooldie-over.gif");
	}
}

function preloadImagesSuppliers() {
	if (document.images) {

		preloadImagesBase();

		lnav_suppliers_curr_over 	= newImage("/images/lnav_suppliers_curr-over.gif");
		lnav_suppliers_edi_over 	= newImage("/images/lnav_suppliers_edi-over.gif");
		lnav_suppliers_moi_over 	= newImage("/images/lnav_suppliers_moi-over.gif");
		lnav_suppliers_over 		= newImage("/images/lnav_suppliers-over.gif");
		lnav_suppliers_poten_over 	= newImage("/images/lnav_suppliers_poten-over.gif");
		lnav_suppliers_sub_over 	= newImage("/images/lnav_suppliers_sub-over.gif");
	}
}

function preloadImagesCareers() {
	if (document.images) {

		preloadImagesBase();

		lnav_careers_asia_over 		= newImage("/images/lnav_careers_asia-over.gif");
		lnav_careers_coll_over 		= newImage("/images/lnav_careers_coll-over.gif");
		lnav_careers_eu_over 		= newImage("/images/lnav_careers_eu-over.gif");
		lnav_careers_global_over 	= newImage("/images/lnav_careers_global-over.gif");
		lnav_careers_na_over 		= newImage("/images/lnav_careers_na-over.gif");
		lnav_careers_over 		= newImage("/images/lnav_careers-over.gif");
		lnav_careers_sa_over 		= newImage("/images/lnav_careers_sa-over.gif");
		lnav_careers_sub_over 		= newImage("/images/lnav_careers_sub-over.gif");
	}
}

function preloadImagesMedia() {
	if (document.images) {

		preloadImagesBase();

		lnav_media_archive_over 	= newImage("/images/lnav_media_archive-over.gif");
		lnav_media_contact_over 	= newImage("/images/lnav_media_contact-over.gif");
		lnav_media_facts_over 		= newImage("/images/lnav_media_facts-over.gif");
		lnav_media_filings_over 	= newImage("/images/lnav_media_filings-over.gif");
		lnav_media_over 		= newImage("/images/lnav_media-over.gif");
		lnav_media_photos_over 		= newImage("/images/lnav_media_photos-over.gif");
		lnav_media_pr_over 		= newImage("/images/lnav_media_pr-over.gif");
		lnav_media_sub_over 		= newImage("/images/lnav_media_sub-over.gif");
	}
}