//Comment trail script- By Kurt (kurt.grigg@virgin.net)
//Script featured on Dynamic Drive
//Visit http://www.dynamicdrive.com for this script and more

colours=new Array('#ff0000','#00ff00','#ffffff','#ff00ff','#ffa500','#ffff00','#0000ff','#ffffff','00ffff')
n = 10;
y = 0;
x = 0;
n6=(document.getElementById&&!document.all);
ns=(document.layers);
ie=(document.all);
d=(ns||ie)?'document.':'document.getElementById("';
a=(ns||n6)?'':'all.';
n6r=(n6)?'")':'';
s=(ns)?'':'.style';

if (ns) {
  for (i = 0; i < n; i++)
    document.write('<layer name="dots'+i+'" top=0 left=0 width='+i/2+' height='+i/2+' bgcolor=#ff0000></layer>');
}

if (ie)
  document.write('<div id="con" style="position:absolute;top:0px;left:0px"><div style="position:relative">');

if (ie||n6) {
  for (i = 0; i < n; i++)
    document.write('<div id="dots'+i+'" style="position:absolute;top:0px;left:0px;width:'+i/2+'px;height:'+i/2+'px;background:#ff0000;font-size:'+i/2+'"></div>');
}

if (ie)
  document.write('</div></div>');

(ns||n6)?window.captureEvents(Event.MOUSEMOVE):0;

function Mouse(evnt) {
  y = (ns||n6)?evnt.pageY+4 - window.pageYOffset:event.y+4;
  x = (ns||n6)?evnt.pageX+1:event.x+1;
}

(ns)?window.onMouseMove=Mouse:document.onmousemove=Mouse;

function animate() {
  o=(ns||n6)?window.pageYOffset:0;
  if (ie)con.style.top=document.body.scrollTop;
  for (i = 0; i < n; i++) {
    var temp1 = eval(d+a+"dots"+i+n6r+s);
    randcolours = colours[Math.floor(Math.random()*colours.length)];
    (ns)?temp1.bgColor = randcolours:temp1.background = randcolours; 
    if (i < n-1) {
        var temp2 = eval(d+a+"dots"+(i+1)+n6r+s);
        temp1.top = parseInt(temp2.top);
        temp1.left = parseInt(temp2.left);
      } 
      else{
        temp1.top = y+o;
        temp1.left = x;
    }
  }
setTimeout("animate()",30);
}

animate();
// -->