Java Script suturing with CSS...Page Optimizazation

If you don't understand what the title is talking about then please do not bid. I need to get a bid to do this service to my website and any website I may have for you in the [login to view URL] needs to be a price that you are willing to do many sites for our [login to view URL] want to try your skills and if it works out we will pay you, then send you other jobs with the same exact [login to view URL] can use Escrow if you have a high level of feedback, over [login to view URL] write something showing me that you understand instead of copy and pasting something. The task is to reduce to loading speed of [login to view URL] will be needed to suture JavaScript files together at the server to minimize HTTP requests. Possibly embed java script,replace graphic rollover menus with CSS rollover menus,use CSS sprites to help consolidate decorative images or buttons. You will be required to work on Joomla Based sites sometimes, your knowledge of Joomla, from the control panel to editing php on the fly will be [login to view URL] you can edit the code and you really know what your doing then please bid. I'm am hoping to get it done from $50 to $80 per site please quote your [login to view URL] PM me with any questions.