Improving shopping cart fanctions

This project received 12 bids from talented freelancers with an average bid price of $166 USD.

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Project Budget
$30 - $250 USD
Total Bids
Project Description

Thanks for visiting.
Here we want to improve shopping cart functionality by making small task as below.
We estimate the task as 3 hours work for php, java expert.

Please confirm the brief detail and conditions as below.
Feel free to ask.

Only access through online file manager ( ajaxplorer ) is available. ( no ftp )
We only allow you to access limited file.
We require your ip address to list in htaccess
No database access

Task Detail
shopping cart:
we want to block and alert message when buyer tries to proceed check out under following circumstances on shopping cart page
1. items are from more than 2 different vendors
2. item has 0 quantity of its latest data
3. unable to hack

item data structure in cart
$sCartItem = $iVendorId . '_' . $iModuleId . "_" . $iItemId . "_" . $iItemCount;

define item’s the latest quantity
$itemQuantity = SELECT stock_num FROM store_product_files WHERE id=$iItemId

WRITTEN CODE [url removed, login to view] (not working)
$('#items_from___vendor_id__').submit(function() {
alert('Handler for .submit() called.');
return false;

function checkvendors()
var values;
var tmpvender=0;
$('.pmt-item input[@type=checkbox]:checked').each(function(){

var str=$(this).attr('value').split('_');
var vendor_id=str[0];
if(tmpvender >0 && vendor_id >0){
if(tmpvender != vendor_id){
//[url removed, login to view] ="[url removed, login to view]";
alert("<bx_text:_payment_err_one_vendor />");
return false;
//alert($(this).attr('value').substring(0, 1));


if(tmpvender ==0){

alert("<bx_text:_payment_err_one_vendor />");
return false;


//[url removed, login to view]()


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