function hscr(e){if (!e) {e = 

window.event;}elemento=document.getElementById("cont");
 if (e.wheelDelta <= 0 || e.detail>=0){  

window.scrollBy(120,0)}else  window.scrollBy(-120,0)}
 if (window.addEventListener ) 

{window.addEventListener("DOMMouseScroll", hscr, false);}
 else { document.onmousewheel = hscr; }