// JavaScript Document

var i = 0;
function change () {
i++;
if (i>400) i=0;
//for (i=1;i<40;i++) {
x =  (Math.random() * (document.body.clientWidth - 80));
y  = (Math.random() * (document.body.clientHeight - 83));
document.getElementById("Layer"+i).style.top = (y + "px");
document.getElementById("Layer"+i).style.left = (x + "px");
//}

setTimeout("change()",20);

}