1. Get users screen resolution (so I can use it later to create page overlay)

JS code : console.log(screen.width+'x'+screen.height)
Seen: 	  http://stackoverflow.com/questions/2242086/how-to-detect-the-screen-resolution-with-javascript
(cletus answer, ali provjeri i ostale, ljudi su mislili na sve)

2. Track users mouse moving:

JS code : onmousemove = function(e){console.log("mouse location:", e.clientX, e.clientY)}
Seen: 	  http://stackoverflow.com/questions/7790725/javascript-track-mouse-position