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jQuery Errors osCommerce 2.3.3When installing the Theme Switcher on your osCommerce site, you will encounter errors regarding the jQuery files not being found. Please see the snapshot to the right. This is because when the osCommerce was released, the version was changed. This article will explain how to update your osCommerce to the newest version of jQuery.

The versions of jQuery at the time of this article are the jQuery 1.9.1 and the jQuery UI 1.10.2.

Steps to update your osCommerce jQuery

First you will need to get the newest versions of jQuery. Below are the steps to update the newest versions of jQuery and jQueryUI.

jQuery 1.9.1

  1. Download the newest version (at this time 1.9.1) from the link below:


  2. You should have a file named jquery-1.9.1.min.js on your desktop.

    Upload the file to the following directory in your osCommerce installation.


jQueryUI 1.10.2

jQuery Errors osCommerce 2.3.3Next you will need to get the jQueryUI files. Download the newest jQueryUI (At this time 1.10.2) from the link below


Select 1.10.2 and select the Redmond theme from the drop box and click download. See image to the right. When you download the .zip file you should have a file named jquery-ui-1.10.2.custom.

  1. You will need extract the files on your local computer, open the folder and rename the following file:


    Rename to:


  2. Next, rename the the following file in the jQueryUI files on your computer.


    Rename to:


  3. Upload the /development-bundle/themes/redmond folder to your server in the following location on your server.


Configuring the Theme Switcher

  1. Log into your osCommerce Administrative Dashboard.
  2. Configure Theme Switcher osCommerce 2.3.3Go to Modules > Header Tags on the right. Select the Theme Switcher module and click edit at the top of the module interface.

    When the screen loads you will see the default jQuery values in the "Jquery Version" and "Jquery UI Version" box. See image to the right.

    Changed values osCommerce 2.3.3Change the Values to the new jQuery versions. See image to the right.

    Click Save.

    Good to go green osCommerce 2.3.3Now the red errors will be gone. If you still see the red errors, its because you did not rename the files correctly or you uploaded the files in the wrong location.

Continued Education in Course 201: Changing your osCommerce appearance
You are viewing Section 2: Fixing the jQuery version in osCommerce
Section 1: Installing the osCommerce Theme Switcher
Section 3: Changing the theme in osCommerce

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n/a Points
2014-04-26 9:07 am

Carefully followed the directions - the ecommerce installation now has only half of the left column navigation visible - clicked on modules just takes me to a general information screen - no mudules.

Oh dear.

9,968 Points
2014-04-28 5:03 pm
Hello Mike, sorry to hear that you've encountered some problems with your osCommerce shop.

Unfortunately it would be a bit hard for us to troubleshoot your issues without seeing it ourselves. If you'd like to comment back on this article with the website you're having these issues on we can take a look and remove your domain name from the post before making it public.

This guide is over a year old, and there have been many updates to jQuery since then, so that could possibly be causing an issue. What version of osCommerce are you running on your website, and which version of jQuery?

- Jacob

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