Basic Replace Code Work for end user

Hello, We would like to thank you for your time i ask that you read the full description of the works before placing a bid, We need some one that has a full understanding of what we need to achieve. We are looking for an online easy to use system that looks and feels like out website www.instantcall.info. this system will allow some one to click and image like a live chat button from a predefined list of images (this will then drop the image url into the HTML) We will then ask for an account number, the above will drop in to a pre writen HTML code in the correct place to be coped and pasted by the user. Please note we expect you to both do the design work and the development for this. If you need more information please contact me via skype [login to view URL] Please Note: We will need to see a mok up of what you will be for us at this point we will send you 50% of payment then 50% on completion and a fully working system. :: Please note due to an experience not to long ago, we will not act kindly to badgering for payment, the time scales you place on a job is your time scales not ours.