function scrollImage(){x=document.getElementById("rotate");y=(x.style.background);y=y.split("repeat-x ");z=y[1].split("px");px=z[0].replace("scroll ","");px=parseInt(px,10);px--;x.style.background="#ffffff url(rotating_image.jpg) repeat-x "+px+"px 0px";var t=setTimeout("scrollImage()",50);}