Hello there,
I have gone through your project detail, you want some changes to an existing website. also you want to change the layout of website and some parts of button function, Please provide me your existing website URL, also provide me list of changes.
We are a 10 year old IT company with highly skilled designers and developers to work on php, Mysql, Jquery, Wordpress, OSC, Magento, OpenCart, Mobile development, iPhone, Responsive etc.
It would be better if you come to have a close discussion over chat .
Best Regards
Harpreet Singh