Get Mouse Position Offset The Document

//get mouse position relative to the document function mousePos (e) { var x,y; var e = e || window.event; return { x:e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft, y:e.clientY + document.body.scrollTop + document.documentElement.scrollTop } } //test function mousePos(e) function test(event){ document.getElementById("mjs").innerHTML = mousePos(event).x + ',' + mousePos(event).y; }