function posicion_mouse(e) { var posx = 0; var posy = 0; if(!e){ var e = window.event } posx = (e.pageX) ? e.pageX : window.event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft; posy = (e.pageY) ? e.pageY : window.event.clientY + document.body.scrollTop + document.documentElement.scrollTop; return {y: posy, x:posx} }