Touchscreen overlay kit

TOUCH SCREEN OVERLAY Hi, I want to hire electronic engineer, designer, researcher or any other who is capable to describe me touchscreen overlay kit technology such as [login to view URL] or [login to view URL] So I want a simple thing, I know that this systems use infrared and resisitive touch screen sensors, electronic circuit, touch screen controller etc... I want someone to describe me what is inside this frame, what kind of circuit, where I can order similar elements online because I want to built similar overlay for me. I want researcher who will find all necessary things and send me complete specifications of elements I need to build similar system. For now I don't need glass, I know that this is tempered glass, I can buy it for myself, I just want to know what is inside, how can I build it and what do I need for that and where I can buy it. For more info please contact me. If someone develop similar system, Im interested in that also. Basically Im interested in touch screen interactive technology and I need to build for myself something similar or same. In addition im sending some photos I find on web to close you what I need.