function preload_menu_images() {
	// make sure that old browsers don't trip up on image arrays
	
	if (document.images) {
		//
		//  hover (mouseover) images here
		//
		buttonHover = new Object();
		buttonHover["menu_category_serving"] = new Image(70,15);
		buttonHover["menu_category_serving"].src = "/images/global/categories_serving_hover.gif";
		buttonHover["menu_category_storing"] = new Image(70,15);
		buttonHover["menu_category_storing"].src = "/images/global/categories_storing_hover.gif";
		buttonHover["menu_category_cutting"] = new Image(70,15);
		buttonHover["menu_category_cutting"].src = "/images/global/categories_cutting_hover.gif";
		buttonHover["menu_category_eating"] = new Image(70,15);
		buttonHover["menu_category_eating"].src = "/images/global/categories_eating_hover.gif";
		buttonHover["menu_category_wheretobuy"] = new Image(117,15);
		buttonHover["menu_category_wheretobuy"].src = "/images/global/categories_wheretobuy_hover.gif";
		
		buttonHover["menu_cheesetips"] = new Image(97,18);
		buttonHover["menu_cheesetips"].src = "/images/global/menu/menu_cheesetips_hover.gif";
		buttonHover["menu_press"] = new Image(54,18);
		buttonHover["menu_press"].src = "/images/global/menu/menu_press_hover.gif";
		buttonHover["menu_aboutformaticum"] = new Image(142,18);
		buttonHover["menu_aboutformaticum"].src = "/images/global/menu/menu_aboutformaticum_hover.gif";
		buttonHover["menu_contactus"] = new Image(90,18);
		buttonHover["menu_contactus"].src = "/images/global/menu/menu_contactus_hover.gif";
		buttonHover["menu_cheesepaper"] = new Image(173,18);
		buttonHover["menu_cheesepaper"].src = "/images/global/menu/menu_cheesepaper_hover.gif";
		
		
		
	
		//
		//  normal (mouseout) images here
		//
		buttonNormal = new Object();
		buttonNormal["menu_category_serving"] = new Image(70,15);
		buttonNormal["menu_category_serving"].src = "/images/global/categories_serving_norm.gif";
		buttonNormal["menu_category_storing"] = new Image(70,15);
		buttonNormal["menu_category_storing"].src = "/images/global/categories_storing_norm.gif";
		buttonNormal["menu_category_cutting"] = new Image(70,15);
		buttonNormal["menu_category_cutting"].src = "/images/global/categories_cutting_norm.gif";
		buttonNormal["menu_category_eating"] = new Image(70,15);
		buttonNormal["menu_category_eating"].src = "/images/global/categories_eating_norm.gif";
		
		buttonNormal["menu_cheesetips"] = new Image(97,18);
		buttonNormal["menu_cheesetips"].src = "/images/global/menu/menu_cheesetips_norm.gif";
		buttonNormal["menu_press"] = new Image(54,18);
		buttonNormal["menu_press"].src = "/images/global/menu/menu_press_norm.gif";
		buttonNormal["menu_aboutformaticum"] = new Image(142,18);
		buttonNormal["menu_aboutformaticum"].src = "/images/global/menu/menu_aboutformaticum_norm.gif";
		buttonNormal["menu_contactus"] = new Image(90,18);
		buttonNormal["menu_contactus"].src = "/images/global/menu/menu_contactus_norm.gif";
		buttonNormal["menu_cheesepaper"] = new Image(173,18);
		buttonNormal["menu_cheesepaper"].src = "/images/global/menu/menu_cheesepaper_norm.gif";
		buttonNormal["menu_category_wheretobuy"] = new Image(117,15);
		buttonNormal["menu_category_wheretobuy"].src = "/images/global/categories_wheretobuy_norm.gif";
	}
}		
		

function preload_topmenu_images_only() {
	// make sure that old browsers don't trip up on image arrays
	
	if (document.images) {
		
		//
		//  hover (mouseover) images here
		//
		buttonHover = new Object();
		buttonHover["menu_cheesetips"] = new Image(97,18);
		buttonHover["menu_cheesetips"].src = "/images/global/menu/menu_cheesetips_hover.gif";
		buttonHover["menu_press"] = new Image(54,18);
		buttonHover["menu_press"].src = "/images/global/menu/menu_press_hover.gif";
		buttonHover["menu_aboutformaticum"] = new Image(142,18);
		buttonHover["menu_aboutformaticum"].src = "/images/global/menu/menu_aboutformaticum_hover.gif";
		buttonHover["menu_contactus"] = new Image(90,18);
		buttonHover["menu_contactus"].src = "/images/global/menu/menu_contactus_hover.gif";
		buttonHover["menu_cheesepaper"] = new Image(173,18);
		buttonHover["menu_cheesepaper"].src = "/images/global/menu/menu_cheesepaper_hover.gif";
		
	
		//
		//  normal (mouseout) images here
		//
		buttonNormal = new Object();
		buttonNormal["menu_cheesetips"] = new Image(97,18);
		buttonNormal["menu_cheesetips"].src = "/images/global/menu/menu_cheesetips_norm.gif";
		buttonNormal["menu_press"] = new Image(54,18);
		buttonNormal["menu_press"].src = "/images/global/menu/menu_press_norm.gif";
		buttonNormal["menu_aboutformaticum"] = new Image(142,18);
		buttonNormal["menu_aboutformaticum"].src = "/images/global/menu/menu_aboutformaticum_norm.gif";
		buttonNormal["menu_contactus"] = new Image(90,18);
		buttonNormal["menu_contactus"].src = "/images/global/menu/menu_contactus_norm.gif";
		buttonNormal["menu_cheesepaper"] = new Image(173,18);
		buttonNormal["menu_cheesepaper"].src = "/images/global/menu/menu_cheesepaper_norm.gif";
	}
}


function rollover(imageId, type) {
	
	var image = getRawObject(imageId);
	
	if (type == "hover") {
		if (imageId != activeId) {
			image.src = buttonHover[imageId].src;
		}
		return true;
	}
	else if (type == "normal") {
		if (imageId != activeId) {
			image.src = buttonNormal[imageId].src;
		}
		return true;
	}
	else if (type == "active") {
		if (activeId && (imageId != activeId)) {
			var active_img = getRawObject(activeId);
			active_img.src = buttonNormal[activeId].src;
		}
		image.src = buttonHover[imageId].src;
		activeId = imageId;
		return true; 
	}
	else
		return true;
}


function set_active_category(category_name) {
	
	switch(category_name) {
		
		case 'Serving':
			var catId = 'menu_category_serving';
			rollover(catId, 'hover');
			activeId = catId;
			break;
			
		case 'Storing':
			var catId = 'menu_category_storing';
			rollover(catId, 'hover');
			activeId = catId;
			break;
			
		case 'Cutting':
			var catId = 'menu_category_cutting';
			rollover(catId, 'hover');
			activeId = catId;
			break;
			
		case 'Eating':
			var catId = 'menu_category_eating';
			rollover(catId, 'hover');
			activeId = catId;
			break;
		
		case 'Where To Buy':
			var catId = 'menu_category_wheretobuy';
			rollover(catId, 'hover');
			activeId = catId;
			break;
	}
}

function isNotEmpty(elem) {
	var str = elem.value;

	if (str == null || str == '') {
		return false;
	}
	else {
		return true;
	}
}

function isLengthX(elem, required_length) {
    //var required_length;
	var str = elem.value;
	if (str.length == required_length) {
		return true;
	}
	else {
		return false;
	}
}

function isNumeric(elem) {
	var str = elem.value;
	
	if (isNaN(parseFloat(str))) {
		return false;
	}
	return true
}


function validate_form_wholesale() {

	var error_message = '';
	var error_message_start = "Please correct the following info: \n\n";
	
    var form = document.getElementById('wholesale_app_form');
	
	 
	if (!isNotEmpty(form.company_name)) {
		error_message += "COMPANY NAME field is blank\n";
	}
	
	if (!isNotEmpty(form.contact)) {
		error_message += "CONTACT field is blank\n";
	}
	
	if (!isNotEmpty(form.address)) {
		error_message += "ADDRESS field is blank\n";
	}
	
	if (!isNotEmpty(form.city)) {
		error_message += "CITY field is blank\n";
	}
	
	if (!isNotEmpty(form.state)) {
		error_message += "STATE field is blank\n";
	}
	
	if (!isNotEmpty(form.zip)) {
		error_message += "ZIP field is blank\n";
	}
	
	if (!isNotEmpty(form.email)) {
		error_message += "EMAIL field is blank\n";
	}
	
	if (!isNotEmpty(form.tax_id1) || !isNotEmpty(form.tax_id2) ||
	    !isLengthX(form.tax_id1, 2) || !isLengthX(form.tax_id2, 7) ||
	    !isNumeric(form.tax_id1) || !isNumeric(form.tax_id2)) {
			
			error_message += "TAX ID is invalid\n";
	}
	
	if (error_message == '') {
		// cookie will expire in 1 year
		expiration = getExpDate(365, 1, 1);
		set_cookie("wholesale_ok", "1", expiration);
		
		// form validated; allow form submission
		return true;
	}
	else {
		// form didn't validate; show errors
		alert(error_message_start + error_message);
		return false;
	}
}

// only name and value are required, other vars are optional

function set_cookie(name, value, expires, path, domain, secure) {
	document.cookie = name + "=" + escape(value) + 
		((expires) ? "; expires=" + expires : '') +
		((path) ? "; path=" + path : '') +
		((domain) ? "; domain=" + domain : '') +
		((secure) ? "; secure=" + secure : '');
}

function getExpDate(days, hours, minutes) {
	var expDate = new Date();
	if (typeof days == "number" && typeof hours == "number" && typeof minutes == "number") {
		expDate.setDate(expDate.getDate() + parseInt(days));
		expDate.setHours(expDate.getHours() + parseInt(hours));
		expDate.setMinutes(expDate.getMinutes() + parseInt(minutes));
		return expDate.toGMTString();
	}
}

// helper function for getCookie()
function getCookieVal(offset){
	var endstr = document.cookie.indexOf(";", offset);
	if (endstr == -1) {
		endstr = document.cookie.length;
	}
	return unescape(document.cookie.substring(offset, endstr));
}

function getCookie(name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg){
			return getCookieVal(j);
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
}

function deleteCookie(name, path, domain) {
	if (getCookie(name)) {
		document.cookie = name + "=" +
			((path) ? "; path=" + path : "") +
			((domain) ? "; domain=" + domain : "") +
			"; expires=Thu, 01-Jan-70 00:00:01 GMT";
	}
}