![\"Cart](\"images/icon-cart-empty.gif\") Your Cart | Items in Cart: ";
}
else {
msgstring="![\"Cart](\"images/icon-cart-full.gif\") Your Cart | Items in Cart: ";
}
msgstring= msgstring + itemsDisplay;
msgstring= msgstring + "
Sub-Total: ";
msgstring= msgstring + subTotalDisplay;
msgstring= msgstring + " |
";
if(document.layers){
//Browser="NN4";
textlayer = document.layers['cart'];
textlayer.document.open();
textlayer.document.write(msgstring);
textlayer.document.close();
}
if(document.all){
//Browser="IE"
textlayer = document.all['cart'];
textlayer.innerHTML=msgstring;
}
if(document.getElementById){
//Browser="NN6+";
textlayer = document.getElementById('cart');
textlayer.innerHTML =msgstring;
}
if (name == "cart"){
var z = readCookiePage('cartitemstotal');
// Submit Cart items from cartitemstotal cookie if it exists, otherwise go directly to shopping cart
if (z) {
eraseCartItemsTotal();
document.cartform.submit();
}
else {
window.location = 'http://www.vpi.us/cgi-bin/vpi/ord/basket.html';
}
}
if (name == "shop"){
var z = readCookiePage('cartitemstotal');
// Submit Cart items from cartitemstotal cookie if it exists, otherwise go directly to WehShop home page
if (z) {
eraseCartItemsTotal();
document.cartform.submit();
}
else {
window.location = 'http://www.vpi.us/cgi-bin/vpi';
}
}
}
function eraseCartItemsTemp() {
createCookiePage('cartitems',"",-1);
}
function eraseCartItemsTotal() {
createCookiePage('cartitemstotal',"",-1);
}
function createCookiePage(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}
function readCookiePage(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
function addCartItems(sku, price, qty){
strCookie = sku + "|" + price + "|" + qty;
// Check if numeric value has been entered for qty
var addItems = 0;
var NumericExpression = /^[0-9]+$/;
if(qty.match(NumericExpression)){
addItems = 1; // Proceed with adding items
}
else // Non-numeric values have been entered
{
alert('Only Numeric Values may be entered for this field.');
}
if (addItems == 1){
var y = readCookiePage('cartitems');
skuMatch = 0;
if (y) {
y = y.replace(/^\s+|\s+$/g, '') ;
// Split on | to get individual values into an array
var items = y.split('|');
// See if the sku already exists
var i=0;
while (i < items.length) {
// If sku matches, update quantity
if (sku == items[i]){
items[i+2]=qty;
skuMatch = 1;
}
i = i + 3;
}
// Rewrite Cookie
if (skuMatch == 1){
var i=1;
strCookie = items[0];
while (i < items.length) {
strCookie = strCookie + "|" + items[i];
i = i + 1;
}
}
// Append Existing Cookie
else {
strCookie = y + "|" + strCookie;
}
createCookiePage('cartitems',strCookie,0);
}
else {
// Create New Cookie
createCookiePage('cartitems',strCookie,0);
}
}
}
function addToCart(){
var y = readCookiePage('cartitems');
var z = readCookiePage('cartitemstotal');
skuMatch = 0;
// Both a Temp and Totals cookie exists
if (z && y) {
y = y.replace(/^\s+|\s+$/g, '') ;
z = z.replace(/^\s+|\s+$/g, '') ;
// Split on | to get individual values into an array for each cookie
var yitems = y.split('|');
var zitems = z.split('|');
// Compare items in Temp cookie against those in the Totals cookie
var i=0;
var strAppend="";
while (i < yitems.length) {
var k=0;
skuMatch = 0;
while (k < zitems.length) {
// If sku matches, update quantity
if (zitems[k] == yitems[i]){
zitems[k+2]= parseInt(yitems[i+2])+ parseInt(zitems[k+2]);
skuMatch = 1;
}
k = k + 3;
}
if (skuMatch != 1){
strAppend = strAppend + "|" + yitems[i] + "|" + yitems[i+1] + "|" + yitems[i+2];
}
i = i + 3;
}
// Append Existing Cookie
var j=1;
strCookie = zitems[0];
while (j < zitems.length) {
strCookie = strCookie + "|" + zitems[j];
j = j + 1;
}
strCookie = strCookie + strAppend;
createCookiePage('cartitemstotal',strCookie,0);
// Refresh Page
setTimeout("location.reload(true);",0);
}
// Only a Temp cookie exists
else if (y) {
// Create New Cookie
strCookie = y;
createCookiePage('cartitemstotal',strCookie,0);
// Refresh Page
setTimeout("location.reload(true);",0);
}
}
function readCookieWebShop(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
function DisplayItems() {
// Open cartform Form
document.write(' |