Check and load any file dynamically

- check if file is already loaded (css, js, php, html, img, etc.) - if file is loaded then use it and avoid duplicate loading - if not loaded it check if cookie exist and load file from cookie - if cookie don't exist, it load the file from the specified source and create cookie - project must be based on php and or jquery - instruction on how to use the provided code for load every file is needed - i prefer can start immediatelly - I expect 1-2 hours work is enough - Note: there is already code in the internet for check and load css and js files dynamically [login to view URL]